How do you write 280.75 in expanded form

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

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?

2,10,-50 next two numbers geometric sequence