Answer:
No, the thief didn't set off the alarm. As the mass of the gold statue and the bag of sand is different, the alarm clock will start ringing once the statue is replaced with the bag of sand. Thus, the thief screwed up the operation.
The correct answer should be Option C: 30 graphic T-shirts on sale for $10
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Articulation is when the vision has enough imagery.
A Non-profit organization survives off of donations, they don't charge anything for their services.
A cooperative organization I believe charges for it's services.