A bag contains 8 white, 5 blue, and 7 red marbles. A marble is chosen from the bag, without replacement (you keep the first marble), and another marble is chosen. Draw as sample space and answer the questions below:

Find P(both red)=

Find P(first marble is red and the second is blue)=

Find P(both blue)=

Find P(neither is red)=

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