Which two fractions have a sum of - 7/24

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

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 unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters