Setting up proportions using legs

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

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?

Proving the congruent supplements theorem