I need help with this please​

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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 an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)