If p(x) = x² - 1 and q(x) = 5(x - 1), which expression is equivalent to (p -q)(x)?

Which ratio is equivalent to 10: 85

(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 .

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.