Simplify $$\frac { 69 \mathrm { in } ^ { 3 } } { 3 \mathrm { in } . }$$

Multiple Choice

Simplify $$\frac { 69 \mathrm { in } ^ { 3 } } { 3 \mathrm { in } . }$$

A) 3 in²
B) 66 in²
C) 21 in²
D) 23 in.
E) 23 in²