Please solve both. help quickly!!

Which statement about the graph of y = 8(0.25)^2

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. a. 0.003 b. 0.03 c. 0.3 d. 3