Solve pls brainliest How can I use the scale factor to determine if a picture is a reduction?

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.

Asphere has a diameter of 10 in. what is the volume of the sphere?

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1