Please need it finshed i will give brainliest to whoever right.

Monica build a remote control toy airplane for science project to test the plane she launched it from the top of a building the plane travel a horizontal distance of 50 feet before landing on the ground a quadratic function which models the height of the plane in feet relative to the ground at a horizontal distance of x feet from the building is shown

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

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg