Which equation represents a parabola that has a focus of (0, 0) and a directrix of y = 4?

x2=-8 (y-2)

x2=-2y

x2=-8y

x2=-2 (y-2)

What is the definition of sum

What is 8.235 x 10 to the negative four power

hodi is building a birdhouse each of the four walls need to be 5.5 inches long hodi has a piece of board that is 24.5 inches long is the board long enough to be cut into 4 walls of the bird house estimate

What is the domain of the function y=^3 sq root x-1?

A baseball player swings and hits a pop fly straight up in the air to the catcher. The height of the baseball in meters t seconds after it is hit is given by the quadratic function h left parenthesis t right parenthesis equals negative 4.

Two thirds the volume

A minor league baseball team plays 122 games in a season. If the team won 14 more that three times as many as the lost, how many wins and losses did the team have?

Out of 100 students 50 failed in english and 30 in mathematics. If 12 students fail in both english and mathematics, then the number of students who passed in both the subjects

The directions on a seed packet day to plant the seeds 1 7/8 inches apart. What is the decimal equivalent of this mixed number.

Olivia enjoys watching little birds at the many feeders in her yard. She counts how many of them she can see in her yard every morning before she leaves for school. Her data for two weeks can be seen below.