Answer:
592.83
Step-by-step explanation:
Rectangle - 36x20=720
semi-circle=1/2x3.14x9x9=127.17
720-127.17=592.83
-10 / 2 3/4
-10 / 2.75
-3.6363 and so on.
A is 6, a = 6
b = -1 - 7a
b = -1 - 7(6)
b = -1 - 42
b = -43
A. yes
B. no
already did this hope this helps please mark brainliest