Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex fifth roots of 
+ i
A. 
(cos 30° + i sin 30°), 
(cos 102° + i sin 102°), 
(cos 174° + i sin 174°), 
(cos 246° + i sin 246°), 
B. 32(cos 30° + i sin 30°), 32(cos 102° + i sin 102°), 32(cos 174° + i sin 174°), 32(cos 246° + i sin 246°), 
C. 32(cos 6° + i sin 6°), 32(cos 78° + i sin 78°), 32(cos 150° + i sin 150°), 32(cos 222° + i sin 222°), 
D. 
(cos 6° + i sin 6°), 
(cos 78° + i sin 78°), 
(cos 150° + i sin 150°), 
(cos 222° + i sin 222°), 
Answer: D
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Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this. x + 3y = 24-5x + 3y = 6
A. (4, 6) B. (3, 7) C. (-7, 3) D. No solution
Solve.The cost C of double-dipped chocolate pretzel O's varies directly with the number of pounds of pretzels purchased, P. If the cost is 
when 7.9 pounds are purchased, find a linear function that relates the cost C to the number of pounds of pretzels purchased P. Then find the cost C when 4.7 pounds are purchased.
A. C(P) = 
; $136.18
B. C(P) = 0.098P; $0.46
C. C(P) = 17.238P; $136.18
D. C(P) = 10.256P; $48.20
Find the simple interest for the period indicated. Then use table values to find the compound interest. Finally, find the difference between compound interest and simple interest. Round to the nearest cent. (Interest is compounded annually.)
Principal: $790 Rate: 6% Years: 16
A. $490.08 B. $392.28 C. $1,248.48 D. $458.48
Find the indicated probability.When two balanced dice are rolled, there are 36 possible outcomes. Find the probability that either doubles are rolled or the sum of the dice is 8.
A. 
B. 
C. 
D. 