Please help 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

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?