Acoin is tossed 13 times how many different outcomes are possible

Which expressions are equivalent to -6 + 3m

()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

Use sigma notation to represent the following series for 9 terms.