Answer:
3(4+3)=11+10
Step-by-step explanation:
.50
50% is .50. The price of the item is .50 (100%-50% discount).
A=640.88
if the diameter is 12, the radius , r=12/2=6
we have r=6, h=11
Surface area, A= 2πrh+2π r^2
A=2*3.14*6*11+2*3.14*(6)^2=640.88
