Joseph’s uncle wants to put shingles on the outside walls and solar panel the roof of his barn shown at the right. it costs $2.50 for each square meter of shingle, while solar panels cost $4.00 per square meter. How much will this project cost?

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?