Answer:
1. D
2. C
3. A
4. B
Step-by-step explanation:
________________
In my opinion I think it's the third one
Answer: 1.)Quadratic
2.) A.
Step-by-step explanation:
Answer:
904.78 in I think but I'm not 100%
So the expression is:

You can combine like terms, which are terms that contain the same variables raised to the same power. That means you can combine the two

.

The other terms can't be combined.
Your final answer should be

.