Sarawong and joe each improved their yards by planting rose bushes and shrubs. they bought their supplies from the same store. sarawong spent $161 on 14 rose bushes and 9 shrubs. joe spent $77 on 7 rose bushes and 4 shrubs. find the cost of one rose bush and the cost of one shrub

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