According to Adam Smith, self interest and competition act as an invisible hand, guiding firms in a market-based economy.
Answer:
a) you are correct about a.
b)2/13 chance
c) 1/2 chance
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4 times 7 gets 28 and 7-4 gets you 3
9 decimeters. deci = 0.1
9 *0.1 meters.
0.9 meters
9 decimeters = 0.9 meters.