Write the equation of the parabola with a focus (-2,4) and directrix y = 0.

Two lines parallel to the same plane are parallel to eachother

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Ellie spent $88.79 at the computer stote. she had $44.50 left to buy a cool hat. how much money did she originally have? write and solve an equation to answer the question.