Perform the Indicated Operations and Simplify the Result $$\frac { x ^ { 2 } + 11 x + 18 } { x ^ { 2 } + 18 x + 81 } \cdot \frac { x ^ { 2 } + 17 x + 72 } { x ^ { 2 } + 10 x + 16 }$$

Multiple Choice

Perform the indicated operations and simplify the result. Leave the answer in factored form.
- $$\frac { x ^ { 2 } + 11 x + 18 } { x ^ { 2 } + 18 x + 81 } \cdot \frac { x ^ { 2 } + 17 x + 72 } { x ^ { 2 } + 10 x + 16 }$$

A) $\frac { x + 9 } { x + 8 }$
B) $\frac { 1 } { x + 8 }$
C) 1
D) $\frac { x + 2 } { x + 9 }$