Paul brought $37 to the art supply store. He bought a brush a sketchbook and a paint set. The brush was 1/3 as much as the strechbook and the sketchbook cost 1/2 the cost of the paint set. Paul had $4.50 left over after buying these items what is the cost of each item?

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