Fast as possible
1. What is the difference between 23+ 322−42 and 32+ 222−52+3?

Will gve pints stars and brainliest

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

Tom drove 206 miles in 3.9 hours. estimate his average speed.