If you can be so kind and me out that would be greatly appreciated! ❤️

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

In the diagram below,abc is congruent to dec what is the value of x

Solve the equation for x. 50(4x + 12) = 200