An assistant recieved a 3% raise bringing the salary to 43,989 what was the salary defore the raise? (round to the nearest dollar)

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Need on this geometry question. explain how you did it.

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