20 comic books is the right awnser
Answer:
Step-by-step explanation:
the areas are the same, the outer squares of Q are the ones missing in the center
a) (f+g)(x) = f(x) + g(x) = -4x + 5x = x
b) -9(x) = -9x? I have no idea what this means.
c) (f o g)(x) = (f(g(x)) = f(5x) = -4 (5x) = -20x
Answer:
216 inches
Step-by-step explanation:
72+72+36+36=216