Part a
ling and $44 each week for six weeks mowing lawns in his neighborhood. his weekly expenses for supplies are d. write an expression to show the amount of money ling have after paying his expenses.
part b
if ling's expenses are $13 each week, how much money will ling have?

An object is translated by (x + 4, y - 2). if one point in the image has the coordinates (5, -3), what would be the coordinates of its pre-image? (9, -5) (1, -5) (9, -1) (1, -1)

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

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25