Respuesta :

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Answer:

A. 30(18a - 6b) and D. 4(10a + 2a - 9b)

Step-by-step explanation:

Answer:

C. 12(3a+a-3b)

Step-by-step explanation:

Using distributive property, we multiply 12 by everything in the parentheses. You should end up with 36a+12a-36b. Lastly, simplify to get 48a-36b