The width w of a rectangular swimming pool is 7 * 2. the area a of the pool is 7x^3 – 42x^2. what is an expression for the length of the pool? show your work. show your work.

(2,20) means that the 2 is 2 hours and 20 is 20$. so there both 20$ for 2 hours only the same price. like it says. so, the dunk tank and the bounce house are the same price (20$) for the same amount of time (2 hours).

hope i