Respuesta :

It’s Answer b 7m + 9
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Answer

7m + 9

Explanation


1/3 (21m + 27)            

Start by removing the parenthesis. Do this by multiplying what is inside the parenthesis by 1/3.

1/3 (21m + 27)  = (1/3×21m) + (1/3×27)

                       = 7m + 9