#### Answer

225

#### Work Step by Step

We follow the instructions to plug in 5 for p and -3 for q:
$((-3)(5))^{2}$
Note, -3 times 5 is in parenthesis, so we multiply first:
$((-3)(5))^{2}$=$(-15)^{2}$=225
(Note, 225 is positive because a -15$\times$-15=225).