B. Evaluate the following expressions.
21. 12 - (-5)
22. -8 - (-12)
23. -10 - 15
24. 4 - 11 + (-5)
25. -8 - (-3) + 2
26. -4 - 7 + (-6)
27. 7 - 12 - (-9)
28. 15 - (-24) - 35
nonsense=report
21. 12 - (-5)
22. -8 - (-12)
23. -10 - 15
24. 4 - 11 + (-5)
25. -8 - (-3) + 2
26. -4 - 7 + (-6)
27. 7 - 12 - (-9)
28. 15 - (-24) - 35
nonsense=report
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21. 7
22.4
23.5
24.12
25.7
26.3
27.4
28.26
here are my answers. hope it can help.