Find zw or 
as specified. Leave your answer in polar form.z = 1 + iw = 
- iFind zw.
A. 
(cos 15° + i sin 15°)
B. 2
(cos 75° + i sin 75°)
C. 2
(cos 345° + i sin 345°)
D. 2
(cos 15° + i sin 15°)
Answer: D
Mathematics
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A. Approximate B. Exact
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Provide an appropriate response.Solve: 
= -4
A. x = -1, x = 7 B. no solution C. x = 1, x = -7 D. x = 1, x = 7
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Factor completely. If the polynomial cannot be factored, say it is prime.10x2 + 23x + 12
A. (2x - 3)(5x - 4) B. (2x + 3)(5x + 4) C. (10x + 3)(x + 4) D. prime
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Solve the equation.
= 
A. {- 5, - 1}
B. {- 5, 
}
C. ?
D. {5, 2}
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