Both circle q and circle r have a central angle measuring 140°. the area of circle q's sector is 25π m2, and the area of circle r's sector is 49π m2. which is the ratio of the radius of circle q to the radius of circle r?

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