Bob climbs a mountain, but starts below sea level. he climbs the same number of feet each hour. if the function showing his elevation for any hour is y = 850x – 325, what elevation, in feet, did he start at?
a.
325
b.
850
c.
–850
d.
–325

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?