Respuesta :
The answer has to be -9 because -9 + -4 is equal to -9 - 4, and that equals -13.
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
-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