Thank you to whoever can take there time and answer this for me !

Is the power produced directly proportional to the wind speed, give reasons for your answer?

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

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false