Answer: It is 9x 5 + 23x 4 + 13x
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The area of the figure is equal to the area of rectangle plus the area of semicircle
step 1
Find the area of rectangle
The area of rectangle is equal to

where

substitute

step 2
Find the area of semicircle
The area of semicircle is equal to

we have
---> the radius is half the diameter

substitute


step 3
Find the area of the figure

-12-18 = -30
answer = -30
You could even draw a number line and count from 18 to -12
You must add the graphs for this equation