I WILL MARK BRAINLIST What is the equation of the line?
8''
4
- 4
O
х
2 4
-8
O y = -2x - 5
O y = 2x - 2.55
O y = -x-5
O y = -x - 2.5

I’m stuck on this i don’t understand.

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis. y = 7ex, y = 7e^-x, x = 1; about the y-axis