Need Help ASAP! 10 points

()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

In the diagram of circle a what is m

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7