[tex]Hello.
Let's figure this out.
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Choice A:
(12+6)/(3+3)
18/6
3
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Choice B:
12+(6/3+3)
12+(2+3)
12+ 5
17
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Choice C:
(12+6)/3+3
18/3+3
6 + 3
9
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Choice D:
12+6/(3+3)
12 + 6 / 6
12 + 1
13
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Thus, the answer is: Choice D: 12+6/(3 + 3)
You're welcome.
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