If r = 10 units and x = 14 units, then what is the volume of a cylinder?

A.

140 cubic units

B.

1,400 cubic units

C.

480 cubic units

D.

5,600 cubic units

I have no idea so please teach me.

You are living in aldine, tx and you are planning a trip to six flags in arlington, tx. you look on a map that has a scale of 0.5 inches to 30 miles. if the map shows the scale distance from aldine to arlington is 4 inches, how far is the actual distance?