In an equilateral triangle, what is the relationship between the length of a side and the perimeter?
A cannot be determined
B proportional
C non-proportional
D Ratio

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