Mr. golv is practicing his jiu jitsu drill where he does 5 guard passes and 2 kimura arm locks. a guard pass takes g seconds, and a kimura arm lock takes k seconds. which expressions can we use to describe the number of seconds it takes mr. golv to complete his jiu-jitsu drill 7 times?

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