Answer:
35%
Step-by-step explanation:
If you subtract 75 from 231 you will get 156. However if you do 231*.65(because of coupon 1-.35) you will pay 150.15.
200.96
pi*r^2
g = 4
5g = 20
Divide each side by 5
5g/5 = 20/5
a: 1/7 +2/7
b:1/7 +1/7+1/7
using the formula or so there a²+ b²= c²
so 18² + 80²= 82²