Answer:
(3,8.5)
Step-by-step explanation:
(-1,4) (-7,-13)
-1 + 7 = 6 divide by 2 = 3
4+13=17 divide by 2 = 8.5
Hope this helps.
1.777778
17 percent because the answer is 16.72 percent but when you round it up you get 17.
Area = 81 pi mi2
Circumference = 18 pi mi