Approximate square root 800 to the nearest tenth

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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

Qrst is a parallelogram. determine the measure of ∠q pls