Use the number line to add the fractions.

The surface area of the triangular prism is .

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

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