There are 26 people in a business meeting. at some point or another during the meeting, each person shakes hands once with everyone else. how many total handshakes will there be?

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?