Find a formula for the nth term of the arithmetic sequence.
First term 1
Common difference 4

Which expression is not a polynomial?

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

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