simplify by performing the given operation angd write your answer on a separate sheet of paper
1. 9+13
2. 17+(-12)
3. -4+-9
4.-8+(-2)
5.-10-4
6. 12-14
7. -1-(-3)
8. 14-(-8)
9. - 7-9

1. 3×-12
2. - 4×-8
3. - 3(-6)
4. - 6-5
5. - 24÷-8
6. 15÷-3
7. - 18÷9
8. 3/12
9. 12/3​