Paper towel rolls are sold individually at the local grocery store. Three customers purchase paper towel rolls and the price of each pays is
shown in the table below. Determine the constant of proportionality that
can be used to find the total cost of n rolls of paper towels.

Number of rolls(N)
Total coast(C)
3. $3.45
8. $9.45
12. $13.80

The mean finish time was 185.52 with a standard deviation of 0.327 minute. the winning car driven by chris finished in 185.13. the previous year race had a mean finish time of 110.3 with a standard deviation of 0.106. the winning car that year driven by karen finished in 110.13 minutes. find their respective z-scores. chris - z-score karen “- z-score