What is the difference between csc and arcsin

What is the slope of the line that contains the points (-2,1) and (0,-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

Im so bad at fractions they are not my best math thing to work on