Atariff is another name for an economic sanction. a tax on imports. a policy goal. a trade agreement.

a: tax on imports.

Have a great day

Tariffs are used to limit demand of foreign good by taxing them more than domestic goods, therefore your answer would be B) a tax on imports

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