Answer:
See explanation
Step-by-step explanation:
1 - 12 (not writing the question number but all the answers are in order)
-15
27
3. i dont know
-38
376
-200
-3
150
-41
10 i dont know
120
-60
13 - 22 Basically if the number is an absolute value, (by the way a number is an absolute value if it is in these lines: | |) then that simplifies to the positive of that number, always as long as it's inside the two lines.
13. 1
14. 9
15. 23
16. 107
17. 45
18. 19
19. 0
20. 4
|6| - | -2|
6 - 2
4
21. 12
|-8| + 4
8 + 4
12
22. 0
|-12| - 12
12 -12
0
for the last two see the file
