Algebra

Hello, I need some clarification for my answers, thanks!

1. What is the degree of the monomial?
A. 5
B. 12***
C. 17
D. 60

2. What is the degree of the monomial?
-2
A. -2
B. -3
C. 0***
D. -1

What is the sum or difference?
3.
2x^4 - 8x^4
A. -6x^8
B. -6x^4***
C. -16x^4
D. -16x^8

What is the sum or difference?
4.
5y^4 - 9y^4

A. -45y^4
B. 14y^4
C. -4y^4***
D. -4y^8

5. Write the polynomial in standard form, then name the polynomial based on its degree and its number of terms.

2 - 5x^3 + 6x
A. 2 - 5x^3 + 6x; not a polynomial
B. -5x^3 + 6x +2;cubic-trinomial***
C. -5x^3 + 6x + 2;quadratic-trinomial
D. 6x - 5x^3 + 2;fourth-degree-trinomial(X) (No such term.)

These are what I have so far. I will update my post as I answer the questions.

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  1. #1 has no monomial...
    the rest look good.

  2. Sweet! I apologize, the problem is here for one.
    5x^12

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    posted by Emma :3
  3. then your are right here, too.
    good work

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