Respuesta :

b - 2a - c

9 - 2(-3) - (-6)

9 + 6 + 6

15 + 6

21

The answer is D, 21.

⭐ Answered by Hyperrspace (Ace) ⭐

⭐ Brainliest would be appreciated, I'm trying to reach genius! ⭐

⭐ If you have questions, leave a comment, I'm happy to help! ⭐