PLEASE help me with this question!

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

What is the solution to the equation in the & show work i’m very

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?