Yvaries directly as the square of x. when x = 3, y = 18. what is the value of x when y = 72?

a. 6
b. 8
c. 12
d. 54

!

The answer is 12

Step-by-step explanation: Because if you divide 18y by 72y it will equal 4. Then you would just mutiply that number (4) by the original x (3), and you would get 12

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.