Perform the Indicated Operations $$\left( x ^ { - 7 } y ^ { 9 } \right) \left( x ^ { - 2 } y ^ { 7 } \right) ^ { - 1 }$$

Multiple Choice

Perform the indicated operations. Write the result using only positive exponents. Assume all variables represent nonzero
real numbers.
- $$\left( x ^ { - 7 } y ^ { 9 } \right) \left( x ^ { - 2 } y ^ { 7 } \right) ^ { - 1 }$$

A) $\frac { x ^ { 6 } } { y ^ { 3 } }$
B) $\frac { x ^ { 5 } } { y ^ { 2 } }$
C) $\frac { y ^ { 2 } } { x ^ { 5 } }$
D) $\frac { y ^ { 3 } } { x ^ { 6 } }$