Use area model to solve shereen arranges 229 books into 7 even piles .How many books did shereen put in each pile ?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Standard deviation of 19,29,21,22,23

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?