Please need help very confused i need help as soon as possible!

Question

A sphere has radius 8 ft. If the radius is doubled, what is the effect on the volume?

A.) The volume is multiplied by 6.

B.) The volume is multiplied by 4.

C.) The volume is doubled.

D.) The volume is multiplied by 8.

Please give the explanation and the answer!

Answer 1

The ratio of the volumes of two similar figures is as the cube of the scale factor.

2³ = 8.