How to expand (5x−6)^2

Which of the following equations is of the parabola whose vertex is at (2, 3), axis of symmetry parallel to the y-axis and p = 4? a.)y-3 = 1/16 (x-2)^2 b.)y+3 = -1/16 (x+2)^2 c.)x-2 = 1/16 (y-3)^2

Which function is shown on the graph?

The radius of the sphere is 10 units .what is the approximate volume of the sphere use π=3.14