Doors for a small cabinets are 11.5 inches long. doors for the large cabinets are 2.3 times as long as the doors for the small cabinets. how many large doors can be cut from a board that is 10.5 feet long?

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