What did early Americans first need in order to begin to form communities? a.
dependable food supply
c.
money to buy things
b.
clay to build homes
d.
ways of protecting themselves

a. dependable food supply

Explanation:

It's hard to defend yourself when you're dying of starvation.

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".

d and a is the correct anwsers

explanation: