A section in a stained glass window is shaped like a trapezoid. The top base is 2 centimeters and thebottom base is 7.5 centimeters long. If the area of the section of glass is 5.7 square centimeters, how tall is the section?

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