✨Please help it would mean a lot!:)✨

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

Fiona has to plot a histogram of the given data

7x^2-9x+5=0 find the discriminant and number of real solutions