Use the Laws of Exponents to Simplify Each Expression Using $\frac { 36 x ^ { 4 } y ^ { 8 } } { 9 x ^ { 3 } y ^ { - 6 } }$

Multiple Choice

Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
- $\frac { 36 x ^ { 4 } y ^ { 8 } } { 9 x ^ { 3 } y ^ { - 6 } }$

A) $4 x y ^ { 2 }$
B) $36 \mathrm { xy } ^ { 14 }$
C) $4 x y ^{14}$
D) $4 x ^ { 7 } y ^ { 14 }$