Which two charges have a sum of 0? +6 charge and +6 charge

-6 charge and -6 charge

+6 charge and -6 charge

2. Where is the number 4 - 8 located on a horizontal number line?

4 units to the left of 4

4 units to the right of 4

8 units to the left of 4

3. Simplify 7 + (-3)

-10

-4

4

5 which fraction is equivalent to -1/6

6/-1

-6/1

1/-6

4. Simplify (4.5)(5)(-2)

45

4.5

-45

6. Which expression is equivalent to 2(m- 5) + 6

2m - 1

2m + 22

2m - 4