What's the difference between -2 -3

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

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

Find the value of x. round the length to the nearest tenth