How to graph 3x+-2y=12

In the geometric progression –3, 12, −48… what term is 3,072?

Find the equation of the ellipse with the following properties. the ellipse with foci at (0, 6) and (0, -6); y-intercepts (0, 8) and (0, -8).edit: the answer is x^2 over 28 + y^2 over 64 = 1

Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.