Answer:
C and B
Step-by-step explanation:
Simplify
9x^3 - 4x + 10 + x^3 + 10x - 9
Collect like terms
(9x^3 + x^3) + (-4x + 10x) + (10 - 9)
<u>10x^2 + 6x + 1</u>
8/5 or 1.6