(x-7)^2=0 does this have a real solution?

()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

For each proportion find the unknown number x 1/5/8=×/15

Tasha cut a fruit bar into 3 equal parts. she ate 1 part. what fraction of the fruit bar did tasha eat