Compute the length of fence needed to enclose this yard​

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

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

Need solving this 2nd limit problem.