Kellans neighbor went out of town for 9 days. each day her neighbor was gone, kellan earned $7 for walking her neighbors dog and $2 for watering her neighbors plants what the numerical expression for the total amount of money kellan earned

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