If you thank this and give it 5 stars and say done i will crown you

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 can you determine about the solutions of this system

Acircle has a circumference of 28.36 units what is the diameter of the circle