Which two numbers add to 18 and multiply to -63

Ineed i been stuck on this question since yesterday

∆red ≅ ∆ by rule will give brainiest if possible

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