Jerry has 48 inches of string. he cuts the string into 8 inch pieces. the letter y shows how many pieces of string he has. y□8=48 which operation would complete the equation to model the problem?

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?