Answer:
1. (+,+)
2. (-,+)
3.(- , -)
4. (+,-)
If this is wrong, please tell me, I will correct it ASAP! I don't see any other ways to solve this lol.
Explanation:
1. (+, +)
2. (-, +)
3. (-, -)
4. (+, -)
You're correct!
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