Write the power of i as i, -1, -i, or 1.i6

A. 1
B. -i
C. i
D. -1

Answer: D

Mathematics

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Solve the problem.In a clinical study, 15 of the 750 subjects receiving a migraine medication developed side effects. What percentage developed side effects?

A. 1% B. 12% C. 4% D. 2%

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Expand.3

A. -  + 75x² - 125x³
B. -  + 75x - 125x³
C. -  + 75x - 125x³
D. -  + 75x - 125x³

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Provide an appropriate response.A retired couple has $500,000 invested in two bond funds that earn 5% and 7%. If the total yearly income from the investments is $30,000, how much is invested at each rate?

What will be an ideal response?

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Simplify.9log9 12

A. 9 B. 12 C. log912 D. 21

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Mathematics