What is the solution to the systems of equations below? y = x + 1
y = 3x + 3
plz give a break down i can write down

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?