Consider a square with side lengths of 4 inches. To find the perimeter of the square, is it easier to add all the sides together or use the perimeter formula of a square, P = 4s where sis the length of each side?

Peter applied to an accounting firm and a consulting firm. he knows that 30% of similarly qualified applicants receive job offers from the accounting firm, while only 20% of similarly qualified applicants receive job offers from the consulting firm. assume that receiving an offer from one firm is independent of receiving an offer from the other. what is the probability that both firms offer peter a job?