A circle with a radius of 12 inches has an arc that measures 8pi inches. find the measure of the central angle determined by this arc.

please help!

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

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.

Which of the following is equal to the rational expression when x is not equal to -2 or -6?