Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the
correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag
the item to the trashcan. click the trashcan to clear all your answers.
find the equation of the ellipse with the following properties.
the ellipse with x-intercepts at (4,0) and (-4, 0), y-intercepts at (0,9) and (0, -9), and center at (0,0).

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6

$12. that is my answer.

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.