Respuesta :

GamerGeorge101
The answer has to be -9 because -9 + -4 is equal to -9 - 4, and that equals -13. 
mikelover208
The answer is B because-
-9 + -4 = -13
-13 = -13

A is not the answer because- 
-17 + -4 = -13 
-21 ≠ -13

C is not the answer because- 
9 + -4 = -13
5 ≠ -13

D is not the answer because- 
17 + -4 = -13 
13 ≠ -13