B 6.44 because 6.4 is equal to 6.40 and in between 6.40 and 6.60 there is 6.44.
A=P(1+r%)ⁿ , where P is the initial capital, r, the interest rate and n, the # years
A = 2000(1+0.13)³
A = 2000(1.13)³
A = 2,885.79
Slope = y1-y2/x1-x2 .. 5-3/-3--3 = math error (its parallel to y axis)
