Use prime factorization to find gcf of 57 and 27

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*