Jerry received both the 15th highest and the 15th lowest mark in the class. how many students are in the class?

One central theme of phillis wheatley's "on being brought from africa to america" is that

Works produced by lost generation authors often shared which theme

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.