PLZ HELPPP!! If you spin the spinner 4 times, what is the expected value of the sum of the 4 results? 2.5, 10, 12.5, 20, 25

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

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Simplify. 3(4+4x) (type your answer in with no spaces)