Find the area of a hexagon with the side length 10

What is this equation in point-slope form?

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

If the tip varies directly with the number of guest which equation represents between the tip, t, and the number of guest, g?