Which is the definition of perpendicular lines that includes only necessary and sufficient information? O lines that intersect at a common point
O lines in the same plane that intersect at a common point
O lines in the same plane that intersect at a right angle
lines that intersect at a right angle​

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?