Evaluate the following expression when x = 4 and y = 5:

3.8
14.83
19.58
23.5

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2

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