Write the equation and find the foci of the ellipse with the given vertices. (1, 2), (1, −4), (−2, −1), and (4, −1).

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Find the quotient. 50a2 – 98b2 -5a +7b

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9