Brandon is training for the 200-meter dash. his best running time was 31.25 seconds. if brandon wants to run the dash in 27 seconds then about how much time must he cut in order to reach his goal.

What is the result of adding the system of equations? 2x+y=4 3x-y=6

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

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