Broo help me asap :(

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

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11