Help me please

Which of the following equations is of the parabola whose vertex is at (4, 3), axis of symmetry parallel to the y-axis and focus at (4, -3)? a.) y+3=1/24 (x+4)^2 b.)y-3=-1/24 (x-4)^2 c.)x-4=-1/24 (y-3)^2

What expression is equivalent to (2x-1)(x-3)?

If 3 3/4 lb. of candy costs 20.25 how much would 1lb. of candy cost