Rewrite as a Single Logarithm Using the Quotient Rule for Logarithms

Multiple Choice

Rewrite as a single logarithm using the quotient rule for logarithms. Assume all variables represent positive real numbers.
- $\log _{6} 9-\log _{6} y$

A) $\log _{6}(9-y)$
B) $\log _{12} \frac{9}{y}$
C) $\log _{6} \frac{9}{y}$
D) $\log _{6} \frac{y}{9}$