jacob and lea left home at the same time. they drove in opposite directions. Lea drove 40 mph faster than Jacob. After 4 hrs they were 400 mi apart. find jacobs speed

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