Which is the act of buying and selling money using other types of money? issuing dividends

exchanging currency

maximizing profits

decreasing utility

Hi, I'm working on this right now, but I'll let you know the answer as soon as I finish the 4.12 unit test.

Edit: Here you go!

Explanation:

the answer is b.2008 and 2012 were presidential election years.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.