In order to save money for prom, Tom is going to walk his neighbors dog for $6.50 per hour and wash cars for $7 per hour. His mother told him he can work no more than 15 hours in order to keep up with his homework. Tom will need to make at least $91 to cover prom expenses. I just need the solution

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?