Find the inverse of the following matrices by writing them in the form I - D and using the sum-of-powers method on D. Check the accuracy of your answer by using the determinant-based formula for the inverse of 2-b)1-2 matrix .

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?