Answer:
Simple, 4*pi*r^2
Step-by-step explanation:
So you subtract 180 from 90 you get you answer then you will divide it by 55 and your remaining answer which you will get will be x
Answer:
$69
Step-by-step explanation:
80 x 75% (0.75) = 60
60 x 15% (0.15) = 9
60 + 9 = $69
