Explain how finding 4 x 384 can you find 4 x 5,384?

Find an equation of the line perpendicular to the graph.

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

Acylinder has volume 45π and radius 3. what is it’s height?