Evaluate using order of operations: 8+3(5+2) -7•2

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

Find the arc length of the semicircle. 7the grade

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.