Use your estimation skills to pick the most reasonable answer. Do not solve the problem.137.07 - 82.4987
A. 545.713
B. 5.45713
C. 54.5713
Answer: C
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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°), 
Solve the problem.If there are x teams in a sports league and all the teams play each other twice, a total of N(x) games are played, where N(x) = x2 - x. A soccer league has 10 teams, each of which plays the others twice. If the league pays $46 per game for the field and officials, how much will it cost to play the entire schedule?
A. $5060 B. $4232 C. $4140 D. $4600
Subtract.(-6x3 + 9x2 + 4) - (-5x3 + 2x - 5)
A. -x3 + 9x2 + 2x - 1 B. -11x3 + 9x2 + 2x - 1 C. -x6 + 9x4 - 2x2 + 9 D. -x3 + 9x2 - 2x + 9
Verify the integration formula.
csch-1 x + 
+ C
A. No B. Yes