Given the directrix of y= -1 and focus of (0,3) which is the equation of the parabola
A) y=1/8x^2-1
B) y=-1/8x^2+1
C) y=1/8x^2+1
D) y=-1/8x^2-1

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.