Assume $x$ And $y$ Are Functions Of $t$ Evaluate $d y / d t$

Multiple Choice

Assume $x$ and $y$ are functions of $t$ . Evaluate $d y / d t$ .
- $\mathrm{xy}+\mathrm{x}=12 ; \frac{\mathrm{dx}}{\mathrm{dt}}=-3, \mathrm{x}=2, \mathrm{y}=5$

A) 3
B) -3
C) -9
D) 9