Add or subtract.[(1 + 8i) - (8 + 9i)] - (1 - 6i)

A. 10 + 5i
B. 10 + 11i
C. -8 + 11i
D. -8 + 5i

Answer: D

Mathematics

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Provide an appropriate response.Divide and reduce answer to lowest terms. Convert improper fractions to whole or mixed number: 

A. 16
B. 4
C.
D.

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Multiply.

A. 165,001,000 B. 164,999,501 C. 165,000,000 D. 164,999,000

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Solve the equation.10w - 9 = -8 + 3w

A.
B. - 7
C. - 
D. 7

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Use substitution to determine whether the given ordered pair is a solution of the given equation.(4, 3); 2x - 3y = 17

A. Yes B. No

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