Deja wants to put as much as she can into a retirement account as soon as she starts working. she deposits $10,000 at then end of each year for 5 years in an account paying 6% interest compounded annually. how much will she have in the account at the start of the 6th year?

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?