1. -7
2. 15 (both are negative, so product will be positive)
3. 3
4. -7
5. -5/12 (answer will be negative, due to one negative and one positive number)
6. 12/12 = 1 (answer is positive)
7. This time, we add, because you’re subtracting a negative number. Two negatives make a positive and in this case, you’re adding. The answer to this problem is -1 3/4.