Plz, answer this question plz!

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

Do you mind if you guys me with this question i’m on number 8

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