I have more questions to due after this

Which statement justifies why angle ebc measures 90?

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?