The number of tickets sold on friday at a movie theater was 2,000 more than the number of tickets sold on tuesday. 1,250 tickets were sold on tuesday. which integer represents the number of tickets sold on friday? a) -2,000 b) -1,250 c) 2,000 d) 3,250

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

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?

Lucy spent $165 in december using a new credit card. in january, she began paying between $15 and $25 each month towards her account balance.