Two birds sit at the top of two different trees 57.4 feet away from one another. the distance between the second bird and a bird watcher on the ground is 49.6 feet.

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

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?

Write the equation of the circle centered at (10,-2) with radius 2