Find the equation of the parabola with a focus F(0, 3) and a directrix of y = -5.

Help ASAP

Can someone check my answer? you : )

The lengths of two sides of a right triangle are given. find the length of the third side. round to the nearest tenth if necessary. a) y = 12/5x + 39/5 b) y = 5/12x + 5/39 c) y = 12/5x - 39/5 d) y = 5/12x - 5/39

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?