Answer:
Your answer is -1 or B
Explanation:
This is your answer because
A: is Incorrect because, 3(-2)= -6 and -9 - -6 = -3
B: is Correct because 3(-1)= -3 and -9 - -3 = -6
C: is Incorrect because, 3(0)= 0 and -9 - 0 = -9
D: is Incorrect because, 3(1)= 3 and -9 - 3 = -12
Thus your answer is B!