Seudónimo Seudónimo

10-05-2017
Mathematics

contestada

please help due in 5m! and 30 points

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

Respuesta :

10-05-2017

9a+9b+12a+8b=21a+17b so answer is B)21a+17b

Answer Link

10-05-2017

b) 21a+17b is the answer

Answer Link

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