What is the coefficient of the x2-term of the algebraic expression ? -1 1 0 2

What is 20+(5 x 2/5 )+ 3 show your work

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

(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 .