Use a Double Integral in Polar Coordinates to Find the Volume

Multiple Choice

Use a double integral in polar coordinates to find the volume of the solid inside the hemisphere $z = \sqrt { 64 - x ^ { 2 } - y ^ { 2 } }$ but outside the cylinder $x ^ { 2 } + y ^ { 2 } = 25$

A) $\frac { 2 } { 3 } 39 ^ { 3 / 2 }$
B) $\frac { 2 } { 3 } 39 ^ { 3 / 2 } \pi$
C) $\frac { 4 } { 3 } 39 ^ { 3 / 2 } \pi$
D) $\frac { 2 } { 3 } 39 ^ { 1 / 2 } \pi$
E) $\frac { 3 } { 2 } 39 ^ { 3 / 2 }$