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Answer:

Step-by-step explanation:
Given:


Required
Represent as ratio
Let chocolate be represented with a and vanilla be represented with b
So, we have:


Divide ratio by 2

Hence, the required ratio is 
Answer:
The answer is D I believe
Step-by-step explanation:
If you look at the lowest point it lands on -4
Answer:
Add
Step-by-step explanation:
By the way this question was worded, I'm going to say add. If I were to write the expression out, I personally would write it like this:

And parentheses always occur first.
Hope this helps!