A yoga studio offers memberships that cost $40 per month for unlimited classes. The studio also accepts walk-ins, charging $8 per class. If someone attends enough classes in a month, the two options cost the same total amount. How many classes is that? What is that total amount?

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?