Write the Expression with Only Positive Exponents and Evaluate If $\frac { \frac { x } { 8 } } { \frac { 9 } { x + 8 } }$

Multiple Choice

Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real
numbers.
- $\frac { \frac { x } { 8 } } { \frac { 9 } { x + 8 } }$

A) $\frac { x + 8 } { 72 x }$
B) $72 x ( x + 8 )$
C) $\frac { x ( x + 8 ) } { 72 }$
D) $\frac { 9 x } { 8 ( x + 8 ) }$