James has 6 stamps in his stamp collection. roy has 12 stamps in his stamp collection. james adds 2 stamps to his stamp collection. after james adds these stamps, what is the ratio of the number of stamps in james's collection to the number of stamps in roy’s collection?

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