Answer:
Radius = 12 cm
Step-by-step explanation:
Given:
Volume of the cylinder is,
cm³
Height of the cylinder,
cm
Let the radius be 
Using the formula for volume of cylinder,

Plug in 3165.12 for
, 7 for
and solve for
.

Therefore, the radius of the cylinder is nearly 12 cm.
Answer:
x=22
Step-by-step explanation:
They're opposite numbers.
Cos(60) = cos(90 - 30) = sin(30) = 1/2
This should be what you want.
Answer:
Package B, you save 7.50
Step-by-step explanation: