The United States has an open class system based on social mobility that includes a. Horizontal mobility. C. Intergenerational mobility. B. Vertical mobility. D. All of the above.

This form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary

What were some characteristics of the yamato culture select all that apply a. it was a very weak empire with little knowledge of trade b. it believed its people were descended from kami the sun goddess c. it allowed woman to hold positions of power d. it developed technologies that improved life and increased trade e. its leader tokugawa brought peace to japan

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.