What would be the expression after distributing, (2m+6)2?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

(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 .

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180