2x - 3y = -9

-2x + 3y = 18

what's the Y and what's the X

(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 .

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Which expression is a perfect cube? a. x8 b. y24 c. m28 d. x64