How did the Appalachian Mountains contribute to the settlement patterns of the American colonies? a. The Appalachian Mountains provided coal to settlers.

b. The Appalachian Mountains had a lack of lumber for building homes.

c. The Appalachian Mountains were a geographic barrier to settlers.

d. The Appalachian Mountains provided plenty of fishing opportunities for settlers.

answer

explanation

the given equation is

we can rewrite this as:

let

then the equation becomes:

the factors of 8 that sum up to -9 are {-1,-8}

we split the middle term with these factors to obtain,

we factor by grouping to obtain:

apply the zero product property to get:

but

the tariff was created to protect industry in the northern part of the united states. industries in the north were being driven out of business by imported goods that were priced at a low rate. the goal was to protect these industries   by taxing the goods.

the correct answer is c. a piece or imprint of something that was once alive

hopefully that !