Plot the segment PQ with endpoints P(-2,-4) and Q(2, 1) on the coordinate plane. Then find the length and midpoint of PQ. Enter the midpoint coordinates as a decimal if necessary.
5. What is the Length of PQ. What is the Midpoint?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations