Can anyone help me i really need it

Restrictions on f(x) = 1/x+5 and g(x) = x-2

Through: (-3,-3) parallel to y= 7/3x+3

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