Find an equation of a parabola with a vertex at the origin and directrix y = - 4

The sum of half a number and its reciprocal is the same as 51 divided by the number. find the number.

16 more than eight of a certain number is twenty four more than 6 times of thatnumber.

A rocket is launched at 85 feet per second from a launch pad that is 28 feet above the ground. Which equation can be used to determine the height of the rocket at a given time after the launch?

Peter selects a sock from his drawer. The sock is black. There are 4 white socks, 7 blue socks, and 12 black socks left in the drawer. He selects a second sock from the drawer without looking. Is it likely Peter selects a sock of the same color?

John and Jim are cutting a log cut 1/5 of the log on one end while Jim cut 2/9 of the log on any on the other side how much of the log is left

What us 1/2 plus 8 equal

Y - 6 = - 1/2 (x - 2)

Y=3x+1 Y=-4 Does it have infinitely many solutions?

When rolling two fair dice, the probability of rolling different sums is o the same. o different

What do dilated shapes and similar shapes have in common?