Answer: I dont know if this is right but the is 8 Ive never done this before.
Step-by-step explanation:
1 =
4 =
r− 5 ⋅ 2 = 1 = r = 11
8 = r = 11
Answer:
sorry if this is wrong
a. 3
b.15
c.8
use the app photomath. its free. and shows you all the steps