Seudónimo Seudónimo

03-04-2017
Mathematics

contestada

PLEASE HELP ME! 20POINTS!

Simplify: 9(a + b) + 4(3a + 2b)
A) 13a 13b
B) 21a + 17b
C) 21a + 2b
D) 38ab

Respuesta :

23rasch 23rasch

03-04-2017

9a+9b+12a+8b
21a+17b
B) 21a+17b

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dystychiphobia dystychiphobia

03-04-2017

The answer is B! 21a +17b.
I don't have the steps at the moment! Sorry!

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