What are the zeros of the function f(x)=Xto the 2 power+2x-24

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

This is so hard and it’s for a test

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length