Find the explicit formula for 15, 12, 9, 6, A. a= 3n - 18

B a, = -3n + 18

C a. = 3n + 18

D. a= -3n - 18

Mary had at least an 80% on her test write an inequality to represent this situation

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

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?