Perform the indicated operation.8.166 - 3.821
A. 4.445
B. 4.245
C. 11.987
D. 4.345
Answer: D
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Determine if the series 
defined by the formula converges or diverges.a1 = 6, an+1 = 
an
A. Diverges B. Converges
Change the complex number to rectangular form.13.35(cos 146.4° + j sin 146.4°)
A. -11.120 + 7.388j B. 3.043 - 2.022j C. -3.043 + 2.022j D. 7.388 - 11.120j
Solve the problem.Consider a retirement savings account where the monthly contribution is $125 for the first 10 years, is increased to $225 for the next 10 years, and then is increased once again to $400 for the last 15 years. The APR is always 6.6% compounded monthly. What is the value of the account at the end of 35 years? Round your answer to the nearest cent.
A. $331,896.77 B. $293,477.39 C. $334,435.86 D. $337,712.53 E. $328,620.10
Solve the problem.A pair of rabbits are introduced on a small island, and the population grows until the food supply and natural enemies of the rabbits on the island limit the population. If the number of rabbits is 
where t is the number of years after the rabbits are introduced, how long does it take for the rabbit population to reach 100?
A. 7 years B. 9 years C. 10 years D. 11 years