Elena has “maxed out” her credit card (used up all of the credit she was allowed). She also forgot to pay her cell phone bill last month. Is she making good money choices? Explain.

How do you write something in scientific notation?

Construct the graph that models the given situation

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