I’m very confused can someone please tell me what the answers are

()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

5(-9w) put expression in distributive property

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.