(ASAP!)Ann had k stickers. She gave 12 of them to Kelly, and then she gave t of them to Fred. How many stickers does Ann have left?

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

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?