Select all of the following that are quadratic equations. 3x 2 + 5x - 7 = 0 x 3 - 2x 2 + 1 = 0 2x - 1 = 0 5x 2+ 15x = 0 6x - 1 = 4x + 7 x 2 - 4x = 4x + 7

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet