Which of the following represents a south american culture?
a) the maya
b) the toltecs
c) the aztecs
d) the moche

How was rockefeller able to build his monopoly across the oil industry? he found newer and cheaper ways to refine oil, increasing his profits. he confined his business to ohio so he could buy all the refineries there. he bought up oil refineries, cut costs, and reinvested his profits in other refineries. he began to sell kerosene as well as oil, expanding his market.

Profits are maximized when marginal revenue and marginal costs are a. set c. equal b. less than market price d. greater than market price

Which of following most accurately describes china today?