X/3 -13=18
Please help

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

Find two numbers if their sum is 91 and the ratio is 6: 7?

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: