What is the value of x?

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x =

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out

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

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction