Swine flu is attacking the North Pole. The function S(t) = 9t - 4 determines how many elves have swine flu where t = time in days and S = the number of people in thousands. What does S(t) = 23 mean?

How is working backward similar to solving an equation?

Which system of linear inequalities is represented by the graph?

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