I need help quick i will award with 100 points.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

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

Why do interests rates on loans to be lower in a weak economy than in a strong one