Answer:
none of above .
Step-by-step explanation:
because the unit of area is always in square forms.
Answer: (13, -8)
Subtract 5 from -3
Add 5 to 8
-2
12 -2 x 7 = -2
1/2·3.14·(12/2)^2 + 12·40 + 1/2·12·5 = 566.52 square feet
