A student named Joe is deciding between the three plans. He usually talks on the phone for 600 minutes, sends 1,000 messages, and uses 1 gigabytes of data per month. Which plan would be the
cheapest option for him? Justify your answer mathematically.

Suppose your school costs for this term were $4900 and financial aid covered 3/4 of that amount. how much did financial aid cover? and how much do you still have to pay?

Nikolas calculated the volume of the prism. his work is shown below.

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?