Let vector uhave initial point P1=(0, 2) and terminal point P2= (-2, 5). Let vector vhave initial point Q1= (3, 0)and terminal point Q2= (1, 3). Uand vhave the same direction. Find ‖‖and ‖‖. Is u=v?

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