# Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1: 71

15

#### Work Step by Step

To find the distance between 2 points on a number line, we subtract the 2 values and then take the absolute value of the answer. |-4-(-19)| = 15

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.