When you buy 3 notebooks and 2 pencils you pay $110, for 5 notebooks and 3 pencils you pay $95. How much does the notebooks cost pLz help

Which graph represents the linear function below? y-3=1/2(x+2)

Which of the following expressions cannot be simplified to x – 2?

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?