C = 2 pi r
but c = 15
15 = 2 pi r
15 = 2 * (22/7) * r
r = (15*7) / 2 / 22
r = 2.386
Answer:
8.1
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
f(-3)=-3×-3
= (-)(-)9
=+9
- into - covert into positive when you have square on x
hopefully, it works for you