Aladder of length 4m leans against the wall of a house. the foot of the ladder is 2m from the wall. will the ladder reach a window 3.5m high

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?