HELP!!! ASAP!! 10 pts?!!?!

Add.(x^5 + 7x^3 - 9) + (4x^5 - 2x^3 + 13) (1 points)

A) 5x^5 + 5x^3 + 4 <-----------
B) 4x^5 - 5x^3 - 4
C) 4x^5 + 9x^3 + 22
D) 5x^5 + 9x^3 - 22

Add.(7x^6 + 10x^2 - 10) + (3x^6 - 6x^3 + 4) (1 points)
A) 10x^6 + 4x^2 - 6
B) 10x^6 + 4x63 - 6
C) 10x^6 - 6x^3 + 10x^2- 6 <-------
D) 10x^6 + 10x^2 - 6x^3 + 6

Subtract.(6x^3 - 10x^2 + 6x - 1) - (4x^3 - 2x^2 - x + 3) (1 points)
A) 2x^3 - 12x^2 + 5x + 2
B) 2x^3 - 8x^2 + 5x + 2
C) 2x^3 - 8x^2 + 7x - 4 <-----------
D) 2x^3 - 12x^2 + 7x - 4


* Can some please check these??????*

~GOD BLESS YOU~

A).

A).

C).

Well done!