In 1845, many mill girls earned 40 cents a day for working 12 hours. In 2001, the minimum, or lowest allowed, wage in the United States was $5.15 hour. About how much did the mill girls earn an hour?

With alll of except for the 2 that i did already

Which shows the first equation written in slope-intercept form? 1/2 (2y + 10) = 7x

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