Which point BEST represents the location of 58 on the number line?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

()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

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=