Please help, also explain I'm a bit confused.

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The two cylinders are similar. if the ratio of their surface areas is 9/1.44 find the volume of each cylinder. round your answer to the nearest hundredth. a. small cylinder: 152.00 m3 large cylinder: 950.02 m3 b. small cylinder: 972.14 m3 large cylinder: 12,924.24 m3 c. small cylinder: 851.22 m3 large cylinder: 13,300.25 m3 d. small cylinder: 682.95 m3 large cylinder: 13,539.68 m3