Answer:
i think it the third one but i don't know i'm not in collage math class so...
Step-by-step explanation:
Answer:
2c+12
Step-by-step explanation:
I aced maths class
Answer:
-2.5?
Step-by-step explanation:
The answer is 0. the additive inverse of a negative number is the same number but positive. to find the sum means to add them together. for example take 2 and -2. 2 is the additive inverse of -2. if you add 2+-2 the answer comes out to 0