Which relationship between x and y in the equation shows a proportional relationship? A y=x−2

B y=5(x+3)

C y = 5x + 3

D y = 3x

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