Aperson on a ship observed a lighthouse on the cliff, which is 830 metres away from the ship. the angle of elevation of the top of the lighthouse is 12°.
a. how far above sea level is the top of the lighthouse?
b. if the height of the lighthouse is 24m, how high is the cliff?

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?