Answer:
A: positive B: Negative C: Positive
Step-by-step explanation:
positive
negative
-7-8+22
-15+22
+7
Hence, positive sign is correct.
6-4+(-5)
6-4-5
6-9
-3
Hence, negative sign is correct.
-3+(-8)+12
-3-8+12
-11+12
+1
Hence, positive sign is correct .
