What is the image of (-9,9) after a dilation by a scale factor of 2 centered at the
origin?

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

answer: get jesus in your life

step-by-step explanation:

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5,-10,20,-40,30,-60

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