Mr. smith is unhappy with a 2-foot concrete walkway around the edge of his pool. he decides to put a different width around the pool. the total area of the pool and the walkway is given by the polynominal x^{2} + 17x +66 where x represents the width of the pool. determine the width of the walkway.

I'm so close to finishing all these.

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .