With 3D printing, in society, most goods will be designed on computers and “manufactured” in the homes of consumers, which over time will reduce both the costs and environmental impacts of transportation.
They establishing cooperative relations with the Indians is the statements about the French colonists in North America which is accurate.
<h3>Who are Colonist?</h3>
These are referred as the inhabitants of a colony. They usually migrate and settle down in such areas in order to earn a source of living.
The French colonists respected the natives and the way of life of the American Indians who were the natives in North America. This gave rise to increase in intermarriages thereby depicting formation of cooperative relations between themselves.
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The answer is 7.
(a + b)(a - b) = a ^ 2 - b ^ 2
So, (a + b)(a - b) is 21.
Since (a - b) is 3, divide 21 by 3 to get 7.
