Simplify
9a^3b/3a^2b

(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 .

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

In the diagram of circle o, what is the measure of zabc?