OK. these questions are worth ALL my points (55) ! Write the opposite of each integer.
1. 7

2. -212

3. 49

4. 1,991

5. -78

6. 16

Find each absolute value

7. l -2 l

8. l -100 l

9. l -16 l

10. l 16 l

11. l 12 l

12. l 75 l

13. spend 20$

14. ride the 12th floor on a elevator

15. 8 degrees below 0 degrees centigrade

16. dive 10 feet below the waters surface

17. earn $15

18. gain of 1,400 feet in elevation