13. Which of the following has degree 5?
A 2x²y³
B. 3ab
C. m?n? + 3mn

14. All of the following are similar with 3xⓇyzz. EXCEPT
A. 5x y z
B. 2xyz
C. -10x'y z
D. 15x y z

15. Add: 8a+ 4 =
А 4а
B. 12a
C. 4a²
D. 12a2

16. Subtract 13xy - 9xy =
A. 4xy
B. 22xy
C. 4x²y²
D. 22x²y?

17. 9m - 4n+ 6m - 2n =
A 9mn
B. 5mn + 4mn
C. 15m - 6
D. 15m - 2n

18. (8a - 5b) + (-3a + 7b) =
A 11a + 12b
B. 11a - 12b
C. 5a-2b
D. 5a + 2b

19. (6a - 3b + 4c) - (4a + 3b - C) =
A. 2a + 3c
B. 2a - 6b + 3C
C. 2a - 6b+ 5c D. 2a-3b+30

20. (10x2 - 5x + 6) + (5x2 - 4x - 3)=
A. 5x²-x+9
B. 5x2 - X +3
C. 15x2-9x - 3
D. 15x2-9x+3

KUYA/ATE @bruh505
patulong naman oh please
katuloy ng math ko please sagutin niyo naman oh nonsense report agad​