Please answer correctly

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?

Find the ratios of the corresponding sides

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?