Answer:
13.5 is your answer
Step-by-step explanation:
Answer: y=-x+-8
Proof is in the screenshot below
508.68
*sorry if this is late
Divide 36 by 2 to get radius
Multiply 18 by itself to get 324
Multiply 324 by 3.14 to get the area of a circle
Divide it by 2 to get the area of the semi circle
I think is C like I said not quite sure...
