If a/b and c/d are rational expressions then a/b x c/d = a/b x c/d
true or false

()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

What are different types of statistical programs

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?