If y varies directly as x and y=18 when x=3 find y when x=14

Acylinder has volume 45π and radius 3. what is it’s height?

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need

Hi, can anyone show me how to do this problem? 100 points for this. in advance