What you put is correct because two negatives make a positive so it would be 5 + 7 making it the greatest value
Y=x is the answer alone, since it only crosses the origin
Answer:
4+9=15
Step-by-step explanation:
Answer:no
Step-by-step explanation:z should be more than 12 like 13, 16.67,...
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Answer:

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Step-by-step explanation:
We are solving the expression: 
Solve:

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