Add or subtract.(8 + 6i) - (-9 + i)
A. -17 - 5i
B. 17 - 5i
C. -1 + 7i
D. 17 + 5i
Answer: D
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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)
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. 
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°)
Perform the indicated operation.
A. 5x - 8 + 
B. 5x - 8
C. 5x - 8 - 
D. 5x + 8 + 