In 1992 there was an earthquake at little skull mountain, nevada, measuring 5.5 on the richter scale. in 1994 there was an earthquake near double spring flat, nevada, measuring 6.0 on the richter scale. how did the power of the double spring flat quake compare with that of the little skull mountain quake? (round your answer to two decimal places.)

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