Perform $\frac { \sqrt [ 4 ] { 512 } } { \sqrt { 8 } }$

Multiple Choice

Perform. $\frac { \sqrt [ 4 ] { 512 } } { \sqrt { 8 } }$ Express answers in simplest radical form.

A) $\sqrt [ 4 ] { 64 }$
B) $\sqrt [ 4 ] { 512 }$
C) $\sqrt [ 3 ] { 8 }$
D) $\sqrt [ 4 ] { 8 }$