For which of the following values of x is the function F(x) = 14 - X2 NOT defined as a real number?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

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