16.9 and 1.7 and 0.17 and 2.0 added up

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

Determine domain and range, largest open interval, and intervals which function is continuous.

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.