4. Find the equation of an ellipse passing through (-4,0) with foci at (0,0)and (-1,4)

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

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

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.