A 13-ft by 27-ft rectangular swimming pool is surrounded by a walkway of uniform width. If the total area of the walkway is 384 ft?, how wide is the walkway? The width of the walkway is feet. (Type an exact answer using radicals as needed.)

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? 8,000 + 24x 8,000 − 24x 8,000 + 2x 8,000 − 2x

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?