What is the percent of change from 78 to 100 decreased

()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

Acircle has a circumference of 28.36 units what is the diameter of the circle

Which of the following is not a subset of {1,2,3}?