Nadia charges $7.50 an hour or babysitting. she babysits 18.5 the first week of the month and 20 hour the second week of the month. 13. suppose nadia rasies her rate by 0.75 an hour how many hours would she need to work to earn the same amount of money she m, ad ein the first two weeks of the month explain EXPLAIN

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