Evaluate the Formula for the Given Values of the Variables $P=2 L+2 W ; L=3$

Multiple Choice

Evaluate the formula for the given values of the variables.
- $P=2 L+2 W ; L=3$ in., $W=3$ in.

A) $\mathrm{P}=18$ in.
B) $\mathrm{P}=36$ in.
C) $\mathrm{P}=12$ in.
D) $P=6$ in.