Giselle has $40$40 to spend on parking this month. parking costs her $2.50$2.50 each day. after giselle parks for 99 days, which statement is true?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

Which statement about the annual percentage rate (apr) is not true?

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?