Question

WHOEVER ANSWERS BOTH QUESTIONS FIRST WILL GET MARKED THE BRAIN THINGY (I'll also check to see if you were right or not)

PLEASE HELP ASAP!!!!!!!!!
(I know that one is already answered I'm just not sure if its right or not)

Answer 1

V≈28730.91 and if the radius was 18 it would be V≈24429.02. also ur second answer is correct. btw there are calculators online for finding volume in spheres wayyy easier & fast