Sara and Sofia took part in a relay race. Sara took 25 minutes to finish her section and Sofia took y minutes longer to complete hers. What was the total time they took to complete the race in terms of y ?

What are the exclude value of mn+3m

Explain how to convert measurements in the metric system

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?