A family adopts a puppy that weighs 7 7/8 lbs. they take him to the vet 2 weeks later, and he weighs 12 3/16 pounds. How much weight did he gain.

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?