Answer:
1. A
2.C
3.C
4.C
Step-by-step explanation:
1. 16-(-11) would be 16+11, which equals 27
2. 7-(-16) is just 7+16, which is 23
3. -12-39, You add 39 to 12, which is 51, and add the Negative sign so its C.51
4. Step by step, 5-8 is -3, and -3+-13 would be 10.
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