The ratio of the lengths of the radii of two spheres is 5 : 8. What is the ratio of the surface area of the smaller sphere to the surface area of the larger sphere?

1

5

8

25

40

64

125

512

it's 25:64  

Step-by-step explanation:

This is 100% the answer because I took a test with this question and that was the correct answer

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4.08%

step-by-step explanation:

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign