Find slope y intercept and equation

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 a line is defined by the equation y = 5x + 2, what is the slope?

Write the equation of the circle centered at (10,-2) with radius 2.