What is the equation of the midline

()1. how do you find range? 2.the following set of data is to be organized into a histogram. if there are to be five intervals on the graph, what should the length of each interval be? 30, 34, 23, 21, 27, 25, 29, 29, 25, 23, 32, 31

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second