The inequalities in the given table are "t > 0" and "3 < a."
To identify the inequalities from the provided options, we need to understand the meaning of the symbols and check if they represent a comparison between two values.
-3 = y: This is not an inequality symbol but rather an equality symbol. It represents that -3 is equal to y, not greater or less than.
t > 0: This is an inequality symbol. The symbol ">" represents "greater than." Therefore, t is greater than 0.
-4. 3 < a: This is another inequality symbol. The symbol "<" represents "less than." Hence, 3 is less than a.
g = 5 and one-half: This is an equality symbol. The symbol "=" denotes equality, indicating that g is equal to 5 and one-half, not greater or less than.
k less-than Negative Start Fraction 5 Over 7 End Fraction: This is also an inequality symbol. The phrase "less than" indicates a comparison. The fraction "Negative Start Fraction 5 Over 7 End Fraction" represents -5/7. Therefore, k is less than -5/7.
x = 1: This is an equality symbol. The symbol "=" indicates that x is equal to 1, not greater or less than.
In summary, the inequalities in the table are "t > 0" and "3 < a."
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8% of all Americans live in poverty. If 36 Americans are randomly selected, find the following probabilities. Round answers to 4 decimal places. a. Probability that exactly 1 of them live in poverty. b. Probability that at most 2 of them live in poverty. c. Probability that at least 1 of them in poverty. d. Probability that between 3 and 7 (including 3 and 7 ) of them live in poverty.
P(3 to 7) = P(3) + P(4) + P(5) + P(6) + P(7).To solve the given probabilities, we can use the binomial probability formula:
P(x) = C(n, x) * p^x * (1 - p)^(n - x)
Where:
- P(x) is the probability of exactly x successes
- C(n, x) is the number of combinations of n items taken x at a time
- p is the probability of success for each trial
- n is the number of trials
Given that 8% (0.08) of all Americans live in poverty, and we are selecting 36 Americans randomly, we can calculate the following probabilities:
a) Probability that exactly 1 of them live in poverty:
P(1) = C(36, 1) * (0.08)^1 * (1 - 0.08)^(36 - 1)
b) Probability that at most 2 of them live in poverty:
P(at most 2) = P(0) + P(1) + P(2)
= C(36, 0) * (0.08)^0 * (1 - 0.08)^(36 - 0) + C(36, 1) * (0.08)^1 * (1 - 0.08)^(36 - 1) + C(36, 2) * (0.08)^2 * (1 - 0.08)^(36 - 2)
c) Probability that at least 1 of them live in poverty:
P(at least 1) = 1 - P(0)
d) Probability that between 3 and 7 (including 3 and 7) of them live in poverty:
P(3 to 7) = P(3) + P(4) + P(5) + P(6) + P(7)
Using the formula and the provided values, we can calculate these probabilities.
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The rate of change in the population of birds is given by dp/dt= 0.016P, where t is time, in years. Approximately how many years will it take for the population of birds to increase by 50%? a.25.342 b.31.250 c.43.321 d.93.750
The population of birds to increase by 50% in 31.25 years.
The differential equation for the population of birds is:
dp/dt = 0.016P
where P is the population of birds and t is time in years.
To obtain the time it takes for the population to increase by 50%, we need to solve for t when P increases by 50%.
Let P0 be the initial population of birds, and P1 be the population after the increase of 50%.
Then we have:
P1 = 1.5P0 (since P increases by 50%)
We can solve for t by integrating the differential equation:
dp/P = 0.016 dt
Integrating both sides, we get:
ln(P) = 0.016t + C
where C is the constant of integration.
To obtain the value of C, we can use the initial condition that the population at t=0 is P0:
ln(P0) = C
Substituting this into the previous equation, we get:
ln(P) = 0.016t + ln(P0)
Taking the exponential of both sides, we get
:P = P0 * e^(0.016t)
Now we can substitute P1 = 1.5P0 and solve for t:
1.5P0 = P0 * e^(0.016t
Dividing both sides by P0, we get:
1.5 = e^(0.016t)
Taking the natural logarithm of both sides, we get:
ln(1.5) = 0.016t
Solving for t, we get:
t = ln(1.5)/0.016
Using a calculator, we get:
t ≈ 31.25 years
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6.3982 rounded to the nearest hundredth
Answer:
6.4
Step-by-step explanation
The reason is that the nearest hundreth is 6.4 because 9 rounded up would be 10
PLS HELPPPPPPPPPPPPP
Answer:
Step-by-step explanation:
I see three equations that represents the first step. All the others (I think) have flaws of one kind or another.
Third
The third one divides both sides of the equation by 3. All that remains on the left is what is inside the brackets. 24/3 becomes 8 which what equation 3 says.
x + 6 = 24/3
x + 6 = 8
Fourth
Shows how the distributive property is performed. It does this with great care. The right side is not affected.
3*x + 6*3 = 24 is what is the result. It is a good first step.
Five
This one is a little iffy. It is more like the second step. You have taken the fourth choice and removed the brackets. If you can do this in your head, I think it counts. I'm not sure how to answer what you should do. You're darned if you do and darned if you don't. My opinion is that it is perfectly OK but your marker may not agree.
can you please help me
Answer:m<c=120
Step-by-step explanation:
You set the two expressions equal to each other solve for x and then plug in x to one expression to get the angle.
After that add the two angles together and subtract them from 360 divide by two and you’ll get the other two angles.
This usually only applies to parallelograms.
I hope this helps it’s been awhile since I’ve done this so if it sounds like gibberish I worked out the problem as a better explanation.
A semicircle with a diameter of 40 is cut from a 200 x 80 door. What is the area of the
door after the semicircle is cut out?
Answer:
15371.68
Step-by-step explanation:
First you need to find the area of the semi circle so for that you just have to find the area of a whole circle using the diameter and then divide it by two because it is a semicircle. The area of the semi circle is pi * 20^2 / 2 which equals 628.32. The all you have to do is subtract that from the area of the door which is 16000.
What are the 8 parallel lines?
Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.
What is answer parallel line?
In geometry, parallel lines can be defined as two lines in the same plane that are at equal distance from each other and never meet. They can be both horizontal and vertical.
Parallel lines are two lines in the same plane that are equal distance apart and never intersect.
Real-world parallel line examples include railroad tracks, sidewalk edges, street markings, zebra crossings, the surface of pineapple and strawberry fruit, staircases and railings, and so on.
Parallel lines are lines in a plane that never meet, no matter how far they are extended. The distance between the parallel lines is constant because they never meet.
Parallel lines are defined as lines that do not intersect or meet at any point in a plane. They are always parallel and equidistant from one another.
these are 8 parallel lines
2x+3y = 6
2x+3y = 4
2x+3y = 1
2x+3y = 2
2x+3y = 3
2x+3y = 8
2x+3y = 7
2x+3y = 5
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-3 + (-7)
Someone give me an explanation but use another example to show me
-3+-7....The answer is minus 10
Jane Curtain owns Jane's Window Fashions, a small window treatment business. In 2021 she reported to you the following: Sales $ 200,000 Cost of sales 100,000 Jane only buys merchandise upon sales Administrative costs: Rent 20,000 Phone and internet 2.000 Utilities 2,700 Insurance 1,200 Health insurance Car expenses (other than depreciation) 12,000 6,000 In 2021 Jane purchased a new Land Rover for $100,000. She used it 75% for business. She would like to take Bonus Depreciation. In 2021 Jane purchased some installation equipment (5 year life) for 5,000 In 2021 Jane had the following stock sales. Name Purch date Purch Amount Sale Date Sale amount Dapple Inc 1/15/1980 7.000 5/15/2021 10,000 WestEast 7/15/2015 6,000 6/15/20219,000 Green Acre 6/30/2021 12,000 9/30/2021 10.000 Jane received a dividend of $500 from Dapple. The ex-dividend date was 3/20/2021. Jane received a $1,000 dividend from GreenAcre. The ex- dividend date was 7/15/2021. Jane did not receive a dividend from Greenacre 2021. Jane is single with no children. She owns no cryptocurrency. Jane made 4 equal payments of $5,000 each (total $20,000) estimated payments. In 2020 her tax was $19,000. Jane has received her $1,400 stimulus payment in 2021.
Answer:its a lot of money
Step-by-step explanation:
A group of 300 students were divided into small groups based on their year of birth.
• One-fourth of the students were born in the year 2000
• The number of students who were born in 1999 is twice the number of students who were born in
2000.
• The number of students who were born in 2001 is one-third of the number of students who were
born in 1999.
• The number of students who were born in 1998 is half of the number of students who were born in
2001.
Answer:
Students born in 2000= 300*(1/4)=75 students
Students born in 1999= 75*2=150 students
Students born in 2001=150*(1/3) =50 students
Students born in 1998=50*(1/2) =25 students
The width of a rectangle is 7x-7 feet and the length is 4x+9 feet , what is the perimeter of the rectangle??
the sum of three consecutive odd integers is 57. what are the three integers
Answer:
17,19,21
Step-by-step explanation:
let the first odd number be "x"
formular : (x)+(x+2)+(x+4).
3x+6=57
3x=57-6
3x=51
x=51/3
x=17
apply the formular.
17,(17+2),(17+4)
17,19,21.
Vic's favorite cookie recipe uses 250 grams of flour for every 170 grams of butter. Imani made cookies using 750 grams of flour for every 630 grams of butter.
Vic's recipe:
170 g of butter = 250 g of flour
1 g of butter = 250 ÷ 170
= 25 / 17 g of flour
Imani's recipe:
630 g of butter = 750 g of flour
1 g of butter = 750 ÷ 630 = 25 / 21 g of flour
Compare:
25 / 21 < 25 / 17
⇒ Imani uses less flour in her cookies than Vic
Imani's cookies are more dense.
Therefore, we get that Imani uses less flour in her cookies than Vic.
Imani uses less flour in her cookies than Vic because vic uses 25 / 17 g of flour while Imani uses 25 / 21 g of flour.
What is density and example?How much "stuff" is contained in a specific quantity of space is determined by its density. For instance, a block of the harder, lighter element gold (Au) will be denser than a block of the heavier element lead (Pb) (Au). Styrofoam blocks are less dense than bricks. Mass per unit volume serves as its definition.
Does density mean heavier?A substance's density is a measurement of how heavy it is in relation to its size. When placed in water, an object will float if its density is lower than that of the water, whereas it will sink if its density is higher.
if we see Vic's recipe:
170 g of butter = 250 g of flour
1 g of butter = 250 ÷ 170
= 25 / 17 g of flour
and Imani's recipe:
630 g of butter = 750 g of flour
1 g of butter = 750 ÷ 630 = 25 / 21 g of flour
Compare:
25 / 21 < 25 / 17
so Imani uses less flour in her cookies than Vic
moreover imani's cookies are more dense.
Therefore, we get that Vic uses more flour than imani.
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To the nearest hundredth, what is the value of X?
Please help
Step-by-step explanation:
cos50 = x/53
0.64 = x/53
x = 0.64×53
= 33.92
A body builder consumed 4,400 calories yesterday. Today, he consumed 3,600 calories. What is the percent decrease in number of calories consumed? Round to the nearest percent.
A
22%
B
122%
C
82%
D
18%
Answer: The answer is D
product of -3/7a and -21/15b
Answer:
182857142857/100000000000
Select the correct statement based on the given information. A. Given: If three points are noncollinear, they determine a plane. Points A, B, and C lie in plane G. Conclusion: Points A, B, and C are noncollinear. Multiple choice question. A)
Valid; points A, B, and C determine plane G. Therefore, they are noncollinear. B)
Invalid; points A, B, and C can be collinear and lie in plane G. C)
Valid; because points A, B, and C are noncollinear, they must determine plane G. D)
Invalid; points A, B, and C determine plane G. Therefore, they are noncollinear
The correct option is C) Valid; because points A, B, and C are non collinear, they must determine plane G.
What is termed as the noncollinear points?Non-collinear points are a group of points that don't lie within the same line. A single straight line cannot be drawn through these points.If the slope of the any two point pairs is the same, 3 or more marks are said to be collinear. The the line's slope essentially measures how steep the line is.For the given question;
Given: If three points are noncollinear, they determine a plane. Points A, B, and C lie in plane G.
Conclusion: Points A, B, and C are non collinear.
Thus, the option C best described the given situation as, Valid; because points A, B, and C are noncollinear, they must determine plane G.
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The equation of a line is given below.
6x+2y=4
Find the slope and the y-intercept. Then use them to graph the line
Hence, in answering the stated question, we may say that We can travel slope intercept down 3 units and right 1 unit to acquire another point on the line because the slope is -3.
what is slope intercept?The intersection point in mathematics is the point on the y-axis where the slope of the line intersects. a point on a line or curve where the y-axis intersects. The equation for the straight line is Y = mx+c, where m represents the slope and c represents the y-intercept. The intercept form of the equation emphasises the line's slope (m) and y-intercept (b). The slope of an equation with the intercept form (y=mx+b) is m, and the y-intercept is b. Several equations can be reformulated to seem to be slope intercepts. When y=x is represented as y=1x+0, the slope and y-intercept are both set to 1.
We must solve for y in order to find the slope-intercept form of the equation:
6x + 2y = 4
2y = -6x + 4
y = -3x + 2
As a result, the slope is -3 and the y-intercept is 2.
To graph the line, first plot the y-intercept at the point (0, 2). The slope can then be used to find another point on the line. We can travel down 3 units and right 1 unit to acquire another point on the line because the slope is -3.
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a new shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. about how many total shoppers would be expected after 10 days, if there were 100 shoppers on the first day?
After 10 days, the expected number of shoppers at the shopping mall is 163.
It is given that the number of shoppers increases daily by 5% from the number of shoppers the previous day.
As we can see that the increase in the number of shoppers is going to change every day, and the above case is compounded daily.
The formula of compound increase is
Amount = Base X (1 + r/n)ⁿˣ
where,
Base = original amount
r = rate of change
n = no. of times the change occurs in the time period
t = time
Here,
Base = 100
r = 5/100
n = 1, since it changes once every day
x = 10
Therefore we get
100 X (1 + 5/100)¹⁰
= 100 X 1.05¹⁰
162.88
Since the number of people cannot be in decimal,
the expected number of people is 163
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A cylinder has a base diameter of 8ft and a height of 20ft. What is it's volume in cubic ft, to the nearest 10th place?
Answer:
1005.3 ft³
Step-by-step explanation:
cylinder has a base diameter of 8ft and a height of 20ft. What is it's volume in cubic ft, to the nearest 10th place?
Given that:
Base diameter = 8feets
Radius, r = 8/2 = 4 feets
Height h, = 20 feets
Volume of cylinder, V = πr²h
V = π * 4² * 20
V = π * 16 * 20
V = 1005.3096
V = 1005.3096 ft³
three bottles of different sizes contain different compositions of red and blue candy. the largest bottle contains eight red and two blue pieces, the mid-size bottle has five red and seven blue, the small bottle holds four red and two blue. a monkey will pick one of these three bottles, and then pick one piece of candy from it. because of the size differences, there is a probability of 0.5 that the large bottle will be picked, and a probability of 0.4 that the mid-size bottle is chosen. once a bottle is picked, it is equally likely that the monkey will select any of the candy inside, regardless of color.
The probability of the monkey picking a red candy from any of the bottles is 0.75.
Let L, M, S be the events that the monkey chooses the largest, mid-size and small bottle respectively.P(R) be the probability that the monkey chooses a red candy from the chosen bottle.
P(B) be the probability that the monkey chooses a blue candy from the chosen bottle.
P(L) = 0.5 (Given)
P(M) = 0.4 (Given)
P(S) = 1 - P(L) - P(M) = 0.1 (Since there are only three bottles)
Now, P(R/L) = 8/10
P(B/L) = 2/10
P(R/M) = 5/12
P(B/M) = 7/12
P(R/S) = 4/6
P(B/S) = 2/6
Now, Let's find the probability of the monkey picking a red candy:
P(R) = P(L)P(R/L) + P(M)P(R/M) + P(S)P(R/S)
P(R) = 0.5 × 8/10 + 0.4 × 5/12 + 0.1 × 4/6
P(R) = 0.75
The probability of the monkey picking a red candy from any of the bottles is 0.75.
Therefore, the correct answer is 0.75.
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Exercice 1 Quel est le nombre 100 fois plus petit que 7 453 ? ……………………………….. Quel est le nombre 100 fois plus grand que 12,677 ? …………………………… Exercice 2 Sachant que 38 12 = 456, calculer 3800012. 3800012 = ……………………. Exercice 3 Pour chaque opération proposée dans la première colonne, cocher la case correspondant à l'ordre de grandeur du résultat. Opération 1 10 100 1 000 10 000 118 98 43,5 + 873 902 – 5,7 8 980 0,1 87,63 : 8 Exercice 4 La flèche ci-dessus indique un nombre de l'axe gradué. Quel est ce nombre : 0,20 ? 0,37 ? 0,62 ? 0,75 ? Réponse : ………….. Exercice 5 Encadrer chaque nombre proposé par deux nombres entiers consécutifs. < 7 999, 101 < < 98,6 < < 20,69 < Exercice 6 Quelle écriture ne correspond pas au nombre 7,89 ? (Entourer la bonne réponse) 78910 ; 7+810+9100 ; 3,240 + 4,65 ; 7 unités et 89 centièmes
Which issue is least likely arise in machine learning (ml) and artificial intelligence (ai)?
The issue of too many proficient business-savvy programmers is least likely to arise in machine learning(ml) and artificial intelligence(ai).
What is machine learning?
The process by which computers learn to recognize patterns, or the capacity to continuously learn from and make predictions based on data, then make adjustments without being specifically programmed to do so, is known as machine learning (ML), a subcategory of artificial intelligence.
The operation of machine learning is quite complicated and varies according to the task at hand and the algorithm employed to do it. However, at its foundation, a machine learning model is a computer that analyzes data to spot patterns before using those realizations to better fulfill the work that has been given to it. Machine learning can automate any task that depends on a set of data points or rules, even the more difficult ones.
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k/8-1=-3. pls anawear this paper due tomorrow
Answer: k = 32
Step-by-step explanation:
k/8 - 1 = 3 We add 1 on both sides
+1 +1
k/8 = 4 Now we have to multiply by both sides to isolate the k
x8 x8
k = 32
Two less than six times a number is the same as thirteen more than a number. Find the number.
In each of Problems 11 and 12, find the value of b for which the given equation is exact, and then solve it using that value of b. 11. (xy² + bx²y) + (x + y)x²y' = 0 12. (ye^2(xy) + x) + bxe^(2xy) y' = 0
11. The general solution to the differential is \(y^{3}\) + (2y - 2x - y/x)\(y^{2}\) + \(x^{2}\)\(y^{2}\) = C
12.The general solution to the differential is y = (-\(x^{2}\)/2 + C) / x
11.To determine the value of b for which the equation is exact, we must first find the partial derivative of (xy^2 + bx^2y) with respect to y, and the partial derivative of (x + y)x^2 with respect to x. If these two expressions are equal, then the equation is exact.
Partial derivative of (xy^2 + bx^2y) with respect to y:
∂/∂y (xy^2 + bx^2y) = 2xy + bx^2
Partial derivative of (x + y)x^2 with respect to x:
∂/∂x [(x + y)x^2] = 2x(x + y)
To make these two expressions equal, we must have:
2xy + bx^2 = 2x(x + y)
Simplifying this equation gives:
b = 2y/x - 2 - y/x^2
Now that we have found the value of b for which the equation is exact, we can use it to solve the equation. Rearranging the equation, we get:
xy^2 + bx^2y + (x + y)x^2y' = 0
Substituting the value of b we found above, we get:
xy^2 + (2y/x - 2 - y/x^2)x^2y + (x + y)x^2y' = 0
Simplifying this equation, we get:
y^3 + (2y - 2x - y/x)y^2 + x^2y^2 = C
where C is the constant of integration.
12.To determine the value of b for which the equation is exact, we must first find the partial derivative of ye^(2xy) + x with respect to y, and the partial derivative of bxe^(2xy) with respect to x. If these two expressions are equal, then the equation is exact.
Partial derivative of ye^(2xy) + x with respect to y:
∂/∂y (ye^(2xy) + x) = 2xye^(2xy)
Partial derivative of bxe^(2xy) with respect to x:
∂/∂x [bxe^(2xy)] = 2bxye^(2xy)
To make these two expressions equal, we must have:
2xye^(2xy) = 2bxye^(2xy)
Simplifying this equation gives:
b = 1
Now that we have found the value of b for which the equation is exact, we can use it to solve the equation. Rearranging the equation, we get:
ye^(2xy) + x + bxe^(2xy) y' = 0
Substituting b = 1, we get:
ye^(2xy) + x + xe^(2xy) y' = 0
Dividing both sides by e^(2xy), we get:
y + xe^(2xy) y' / e^(2xy) = -x
Simplifying this equation, we get:
y + xy' = -x
This is a linear differential equation, which we can solve by separating the variables and integrating:
dy/dx + y/x = -1
Multiplying both sides by x, we get:
xdy/dx + y = -x
This is the product rule form, so we can integrate both sides:
xy = -x^2/2 + C
where C is the constant of integration.
Solving for y, we get:
y = (-x^2/2 + C) / x
Therefore, the general solution to the differential is y = (-x^2/2 + C) / x
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John earns $8.35 an hour. Last week he worked 21 hours.This week he worked 33 hours.
What is his straight time pay for the two weeks?
A. $460.90
B. $450.90
C. $175.35
D. $275.55
E. $409.15
Krystal was able to drive her car 300 miles on 12 gallons of gasoline. At this rate, how many miles did she drive using 8 gallons of gasoline?
Answer:
523
Step-by-step explanation:
the game
(-2,2) reflected in the line y=-1
Answer:
(-2,-4)
Step-by-step explanation:
Graph it and you would find that (-2,2) is 3 units higher than the line y=-1. So you would reflect it across by starting at (-2,-1) and count downwards, 3 to get (-2,-4).
A spinner is divided into five sections numbered 1 through 5. Juana records the number the spinner lands on for each of 50 spins. She computes and graphs the relative frequencies for each number. Which of the following describes the probability distribution? A bar graph entitled Relative Frequency of Numbers Spun has x on the x-axis and Probability on the y-axis. The probability of 1 is 0. 5; 2 is 0. 12; 3 is 0. 12; 4 is 0. 12; 5 is 0. 12. Constant symmetric negatively skewed positively skewed.
The distribution of the probability of the given data is a Positive Skewed Probability distribution.
Given to us
A spinner is divided into five sections numbered 1 through 5. Juana records the number the spinner lands on for each of the 50 spins. She computes and graphs the relative frequencies for each number
What is a Probability distribution?It is a type of distribution in which the distribution has a constant probability, therefore, the probability of each event occurring is equal.
What is symmetric distribution?Symmetric distribution is the type of distribution where the left side of the distribution and the right side of the distribution are mirror images to each other, therefore, they are symmetrical.
What is Negatively Skewed Probability distribution?Negatively Skewed Probability distribution is a type of distribution of the probability where the right side(tail) of the distribution is more concentrated than the right side.
What is Positive Skewed Probability distribution?Positive Skewed Probability distribution is a type of distribution of the probability where the left side of the distribution is more concentrated than the right side.
Which of the following describes the probability distribution of the given data?Since in the given graph probability of every number occurring from 2 to 5 is equal to 0.12(12%), while the probability of number 1 occurring is 0.5(50%).
Thus, the distribution of the probability is towards the right end of the graph.
Hence, the distribution of the probability of the given data is a Positive Skewed Probability distribution.
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Answer:b
b b b bb b b b b b b b b b b b b b b b b b b b b b b b b b b b b
Step-by-step explanation: