Please please please help, and explain if you can

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

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

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab