[EASY] What's the slope of the line?? PLEASE HELP

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 =

Which expression gives you the distance between the points (5,1)and(9,-6)

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?