There are red and blue marbles in a bowl. There are twice as many blue marbles as red marbles. Which expression represents the number of blue marbles?

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

What is the slope of the line? the graph shows the relationship between the volume of a rectangular prism and the volume of a square pyramid with an identical base and height. prism vs. pyramid prism volume (cubic units) + 1 2 3 4 5 6 7 8 9 10 pyramid volume (cubic units)

Which point is a solution to the inequality shown in this graph (-3,-1) (3,-1)