Aship traveled at an average rate of 22 miles per hour going west. it then traveled at an average rate of 12 miles per hour heading north. if the ship traveled a total of 158 miles in 9 hours, how many miles were traveled heading north?

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?