Airport A is located at the point ( - 18,14) . Airport B is located at the point (13,14) Each unit on the grid represents 50 km. How far apart are the​ airports? Which airport is closer to Airport​ C, at the point ​(0,​14)?

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =