Find an equation for the nth term of the arithmetic sequence. -17, -12, -7, -2, answer choices a: an = -17 + 5(n + 2) b: an = -17 + 5(n + 1) c: an = -17 + 5(n - 1) d: an = -17 x 5(n - 1)

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