When the "invisible hand" guides economic activity, prices of products

a) only the costs to society of producing those products
b) both the values that society places on those products and the costs to society of producing those products
c) only the values that society places on those products
d) none of the above; when the "invisible hand" guides economic activity, prices of products are set by the government in a manner that is though to be "fair"

b) both the values that society places on those products and the costs to society of producing those products 

Explanation:

When the "invisible hand" guides economic activity, prices are known as equilibrium prices.

Equilibrium price is found where the demand curve intersects with the supply curve .

Equilibrium price is the price where both the value that society places on those products and the costs to society of producing those products are equal.

I hope my answer helps you

the correct answer is:

it required the president to inform congress within forty-eight hours of any new troop commitment.

the war powers resolution (1973) is a federal law designed to limit the u.s. president’s ability to initiate or intensify military actions abroad without the approval of the congress.

it establishes that the president can send armed forces into action abroad only by declaration of war by congress, statutory authorization, or in case of a national emergency created by attack upon the united states, its territories or possessions, or its armed forces.

it requires the president to notify congress within 48 hours of sending armed forces to military action.

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