One 747-airplane can carry 420 passengers. how many total passengers can three planes carry?

Of four points are collinear, they are also coplanar

The trigonometric ratios sine and secant are reciprocals of each other

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