X2 - y2 = 4
o hyperbola
o ellipse
O circle
O line
O parabola

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

(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 .

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5