Find the positive difference between 16 and -2

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

How are sas and sss used to show that two triangles are congruent?

With both problems. a. s.a. p directions on photo ^