Jessica, Deshaun, and Ryan sent a total of 88 text messages during the weekend. Jessica sent 8 fewer messages than Deshaun. Ryan sent 2 times as many messages as Deshaun. How many messages did they each send?

Which expression is equivalent to sq-80

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

Which polygon is she in the process of constructing ?