A submarine’s elevation is −280 feet relative to sea level. A shark is swimming at an elevation of −20 feet. What is the difference in elevation between the submarine and the shark?

Anita has a success rate of 80% on free throws in basketball. she wants to know the estimated probability that she can make exactly four of five free throws in her next game. how can she simulate this scenario? categorize each simulation of this scenario as correct or incorrect.