When I took the test, I selected "C. an arrangement in which you receive money now and pay it back later with fees" but I got it wrong. So I'm pretty sure the answer is "A. an arrangement in which you receive money, goods, or services now in exchange for the promise of payment later"
The sum of the magnitudes will be the magnitude of the sum when the vectors have the same direction.
The slope of the line that passes through those points is: B) -1/2
