Find the amount on 800 for one year at 10%​

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 could explain what happened when the time was equal to 120 minutes

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?