Answer:
2.5 (2 1/2)
Explanation:
First off, distance on a line cannot be negative. You can see that the 2 points are located at -6.75, and -4.25. You can find the distance by subtracting each other. With this info in mind, you can find the distance by getting the absolute value of -6.75 - (-4.25), which gives you 2 1/2, or 2.5