Evaluate the function h(x)= 2x-1 find h(4)

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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 perimeter of a rectangular building that is 80 feet wide and 140 feet deep?