Check the picture below.
Answer:
16.92
Step-by-step explanation:
5.64 x 3 = 16.92
<em>Hope that helps!</em>
4) -(m+12)(m-12)
5) (y+12)^2
6) (x+5)(x-5)(x^2-25)
7) (a+9)(-y+7)
8) Prime
9) Prime
Hope this helps!