Simplify the Expression $\left(\frac{x^{-6} y^{-4}}{x^{-4} y^{5}}\right)^{-3 / 5}$ A) $x^{6 / 5} y^{27 / 5}$

Multiple Choice

Simplify the expression. Assume that all variables represent positive real numbers.
- $\left(\frac{x^{-6} y^{-4}}{x^{-4} y^{5}}\right) ^{-3 / 5}$

A) $x^{6 / 5} y^{27 / 5}$

B) $x^{30 / 5} y^{27 / 5}$

C) $x^{6 / 5} y^{12}$

D) $x^{72 / 5} y^{27 / 5}$