Seiko takes pottery classes at two different studios. Is there a number of hours for which Seiko’s cost is the same at both studios?

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?