144 - 12g^2.
Because we don't know the value of g, there's nothing else we can do.
In a line with negative slope, as x increase, y decreases.
You didn't ask a question. That's just a statement.
Answer:
54
Step-by-step explanation:
First you take two and multiply it by three, which gives you 6. Then you multiply it by three and get 18. Then you multiply and get 54.