Select the correct answer. Jack knows the surface area of a cylinder and its radius. He wants to find the cylinder's height. He needs to rewrite the formula A=26r(r+h)
to find the cylinder's height (h) in terms of the cylinder's surface area (A) and its radius (1). Which is the correct formula?
OA. h=r+zĄ
O B. h=2A
OC. h=2A—52
OD. h=2

Sam is a waiter at a local restaurant where he earns wages of $5 per hour sam figures that he also eams about $3 in tips for each person he serves sam works 6 hours on a particular day. if n represents the number of people sam serves that day, which of the following functions could sam use to figure ehis total earings for the do o a. en) = 30 o b. en) = 5n+ 18