Ineed making a histogram and calcuating standard deviation with the following data points: 0,0,1,1,1,1,1,1,2,2,2,2,2,2,2,2,2,2 ,2,2,3,3,3,4,4,5,7,9,10,23,40,46 on either of those is greatly appreciated!

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.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).