Question

If the edge of a cube is 9 inches and the edge of a second cube is 7 inches, the difference in the volumes of these cubes is what amount?

Answer 1

not one of my answers sorry :/

Answer 2

\[V _{2}-V _{1} = 9^{3} - 7^{3} = 729-343 = 386 \]cubic inches

Answer 3

thanks :)