Y=6x-3 and 6x+12. how many solution the system has

Acable car begins its trip by moving up a hill. as it moves up, it gains elevation at a constant rate of 50 feet/minute until it reaches the peak at 2,000 feet. then, as the car moves down to the hill’s base, its elevation drops at the same rate.

Which of the following three dimensional figures has a circle as it’s base

Benjamin is making bow ties. how many 1/2yards lomg bow ties can he make if he has 18 feet of fabric?