Answer:
$38-
Step-by-step explanation:
15% = $57
57 ÷ 3 = 19%
15 ÷ 3 = 5
100 ÷ 5 = 20
19% × 20 = $380
A because I solved the problem
The formula for the volume of a cube is

, where s is the side length. Then, just do 9 to the third power, or 9*9*9, which equals 729.