<span>C. (sinx(1 - sinx))/((1 + sinx)(1 - sinx))</span>
Step-by-step explanation:
2.6% at $70,000
3.4% at $83,600 - $70,000
3.4% at $13,600
x = $85,882.40
0.493 = 0.000 + 0.400 + 0.090 + 0.003
It may be also written as: 0.493 = 0 + 0.4 + 0.09 + 0.003
1.222 = 1.000 + 0.200 + 0.020 + 0.002
It may be also written as: 1.222 = 1 + 0.2 + 0.02 + 0.002
120 Fluid ounces in liters is 3.549 liters, so the answer is definitely A.