Suppose a triangle has side lengths ab, bc, and x, where ab= 2(bc), find the possible range for x in terms of bc

3. solve by graphing: y = 2x + 6 x + y = -3

Moira has a canvas that is 8 inches by 10 inches. she wants to paint a line diagonally from the top left corner to the bottom right corner. approximately how long will the diagonal line be?

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?