Does anyone know if this is correct

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

X-intercept=-5 y-intercept=2 the equation of the line is

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?