Which two numbers are 4 units away from 0 in any direction on the number line?
1. 84 and 8
2. 2 and -22 and -2
3. 9 and - 99 and - 9
4. and -44 and -4
5. 0 and 4
1. 84 and 8
2. 2 and -22 and -2
3. 9 and - 99 and - 9
4. and -44 and -4
5. 0 and 4