The Louisianan purchase costed 15 million dollars<span />
It would be "C. multistory dwellings built alongside cliff walls" that is not an example of an environmental adaptation made by early peoples of the North American continent, since these people usually inhabited flat lands.
At the time English colonists arrived in the spring of 1607, coastal Virginia was inhabited by the Powhatan Indians, an Algonquian-speaking people. The Powhatans were comprised of 30-some tribal groups, with a total population of about 14,000, under the control of Wahunsonacock, sometimes called “Powhatan.”
They started discussing seceding the nation. This led to the confederate states being formally established and eventually the civil war.
Answer: 3 and 7 are the numbers
Explanation: seeing that this is elementary math we won't use variables
use guess and check because the sum is so small
10/2=5
5+5 doesn't work, 5-5=0
4+6 doesn't work because 6-4=2
3+7 works because 7+3=10 and 7-3=4
3 and 7 are the numbers