Add or subtract.(8 + 6i) - (-9 + i)

A. -17 - 5i
B. 17 - 5i
C. -1 + 7i
D. 17 + 5i


Answer: D

Mathematics

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Provide an appropriate response. Determine which ordered pair is NOT a solution for the equation:2x = 5y - 4

A.
B.
C.
D. (-2, 0)

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Find fraction notation for the ratio. You need not simplify.Of a family's $827 weekly income, $83 usually goes toward groceries. What is the ratio of the amount spent on groceries to weekly income?

A.
B.
C.
D.

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Find all complex roots. Write the answer in polar form, with 0 ? ? ? 360°.Cube roots of  - i

A. 2(cos 110° + i sin 110°), 2(cos 230° + i sin 230°), 2(cos 350° + i sin 350°)
B. (cos 110° + i sin 110°), (cos 230° + i sin 230°), (cos 350° + i sin 350°)
C. (cos 100° + i sin 100°), (cos 220° + i sin 220°), (cos 340° + i sin 340°)
D. 2(cos 100° + i sin 100°), 2(cos 220° + i sin 220°), 2(cos 340° + i sin 340°)

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Perform the indicated operation.

A. 5x - 8 + 
B. 5x - 8
C. 5x - 8 - 
D. 5x + 8 + 

Mathematics