Question

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Answer 1

-.- it take time to confirm lol

Answer 2

14.
0.5 * pi * 9^2 - 0.5 * pi * (9-2.5)^2

the 9 = radius of patio (= half diameter 18)

It's
40.5π−21.125π = my answer

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15.
2π×52= 157

3π×32= 84.78

Answer 3

first one is correct

Answer 4

you're like a full time os user
they paying you?

Answer 5

No, I sleep too- just sometimes I post questions and no one is online,
so you probably see duplicates, that's why . lol
Plus, I'm pretty sure our time zones are different.
@satellite73