Find the equation of the line that passes through the given points

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

Find the cocordinatse of the point on y axis which is nearest to the point (-2,5)

Which expression is equivalent to the square root of 2 multipllied by 5 divided by 18