Answer:
C. pentagon
Step-by-step explanation:
Since it has 5 points, it is most likely a pentagon.
F(x) = 3/2x - 9
f(-4) = 3/2(-4) - 9
f(-4) = -6 - 9
f(-4) = -15
B i hope it helps if not sorry
The answer is D. Plug in the numbers into the formula for the pythagorean theorem. a^2+b^2=c^2
Hope this helped!