1 year ago

Which expressions are equivalent to 9b?

Mathematics

2 answers:

djverab [1.8K]1 year ago

6 0

Answer:

A. b+2(b+2b)

b + 2b + 4b = 7b

B. 3b + b = 4b

C. 2(2b) = 4b

None of them are equal to 9b

sergiy2304 [10]1 year ago

5 0

Answer:

$\fbox {None}$

Step-by-step explanation:

A

b + 2(b + 2b)
b + 2(b) + 2(2b)
b + 2b + 4b
7b

B

3b + b
4b

C

2(2b)
4b

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