Hi i need help with these questions with distributive property pls help me: 3(-4x + 8)
4(x - 6y)
6(5 - q)
1/2(c - 8)
-3(5 - b)
(d + 2)(-7)

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