4w+6x+15y+4w+6x-7y
5w+6y+6x+6x-14y+4w
4x-3y+13w-5y-5w+8x
4w-3x-y+4w+15x-7y
how many of them are equal?

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Find the slope of a line given the following two points

(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 .