Dover Nail Salon is having a special this month on services. Over the weekend, they performed 25 manicures and 45 pedicures, bringing in a total of $1,505 in receipts. So far this week, they have administered 25 manicures and 4 pedicures, with receipts totalling $521. How much does the salon charge for each service?

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