Respuesta :

Answer:

3w

4n-3

10.641

Explanation:

3w

n+3n-3, 4n-3 (distribute your 3 through the paranthasis)

4.871+7.4= 12.271

12.271-1.63= 10.641

I'm lost on your last three,

what are the periods for, and is the third to last one a comma or decimal