Find the quotient 
of the complex numbers. Leave answer in polar form.z1 = 5(cos 200° + i sin 200°)z2 = 4(cos 50° + i sin 50°)
A. 
(cos 150° - i sin 150°)
B. 
(cos 250° + i sin 250°)
C. 
(cos 150° + i sin 150°)
D. 
(sin 150° + i cos 150°)
Answer: C
Mathematics
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Solve the quadratic equation by factoring.x(3x + 13) = 10
A. 
B. 
C. 
D. 
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Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.-18 ? 0
A. -36 B. -18 C. 0 D. 18
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Perform the conversion. Round to the nearest hundredth when necessary.64 kg to lb
A. 162.56 lb B. 67.84 lb C. 140.80 lb D. 28.80 lb
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Write the compound inequality as an absolute value inequality. Do not simplify.?x < -9 or ?x > 9
A. 
< -9 or 
> 9
B. 
> 9
C. ?x > 
D. 
< 9
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