Write an equation of the parabola with vertex at the origin and the given focus or directrix.

1. focus at (3,0)
2. focus at (0,-5)
3. directrix y=2
4. directrix x=-4

In the diagram below what is the approximate length of the minor arc ab

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?