Find the rate of change for the situation. of
3. You run 6 miles in one hour and 18 miles in three
hours.
3 miles per hour
b. 3 hours
6 miles
d. 6 miles per hour

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?