Draw the line of reflection that reflects triangle ABC onto triangle triangle A'B'C'

Factor the expression. 4d + 12 __ (d +

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

Average acceleration: i have no idea how to do this.