Please answer correctly

6.3x+14 and 1.5x-6 answer in simplified 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

Susie wants to take her friend out for lunch.she wants to spend $9.75 each person. how much will she spend in all.