Which american indian groups did europeans encounter first on the northeast coast?

The Powhatan and the Delaware

Explanation:

The Algonquians are one of the most populous and most widespread native peoples that are indigenous of the Northeast of North America.

The Lenapes are a group of several organized tribes of Native Americans with cultural and linguistic characteristics in common. They are also known as Lenni Lenape (the true people) or as the "Delaware Indians"

254.34

step-by-step explanation:

the formula for area of a circle is given by

a = pi * r^2

a = pi * 9^2

a = 81*pi

using 3.14 as an approximation for pi

a = 3.14*81

a = 254.34

b) the confederacy had to pay all union war expenses.