Respuesta :

LuckDLads

Answer:

.B. 21

Step-by-step explanation:

13+4(9-7)  <----- Multiply 9 and -7 by 4 (Distribute Property)

13+36-28 <----- Combine 36 and -28

13+8     <------Combine 13 and 8

21

ilhaam1020
9-7=2
13+4=17
17*2=34
Answer=A

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