Simplify and Write with Positive Exponents Only $\frac { x ^ { - 9 } } { x ^ { 4 } }$

Multiple Choice

Simplify and write with positive exponents only.
- $\frac { x ^ { - 9 } } { x ^ { 4 } }$

A) $\frac { 1 } { x ^ { 36 } }$
B) $\times 13$
C) $\frac { 1 } { \times 13 }$
D) $\frac { 1 } { x ^ { 5 } }$