How to make this a box plot 16,16,16,20,21,21,23,25,26,26,28,28

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

What is a graph with a never ending line called?

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 =