Jarrett's puppy weighed 3 3/4 ounces at birth . at one week old , the puppy weighted 5 1/8 ounces . at two weeks old , the puppy weighted 6 1/2 ounces . if the weight gain continues in this pattern , how much will the puppy weight at three weeks old

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