Me so i can finish1: which of the following equations will yield the surface area of a cylinder? sa = 2lw + 2lh + 2wh sa = 2rh + 2r2 sa = 2b + ph sa = r2h 2: what is the combined area of the two bases of the following cylinder? has a full line on top: 12 height: 15 452.16 cm2 904.32 cm2 113.04 cm2 226.08 cm2 3: in order to find the number of gallons of paint needed to paint the exterior surface of a barrel, which of the following should be determined? the volume of the barrel the height of the barrel the surface area of the barrel the perimeter of the barrel 4: if the dimensions of the following cylinder are tripled, what factor will the volume change by? has a full line on top: 12 height: 15 3 9 27 81 5: what is the total surface area of the following cylinder? has a full line on top: 12 height: 15 1,017.36 cm2 791.28 cm2 2,034.72 cm2 395.64 cm2