Multiply the complex numbers and simplify powers of i.(6 - 9i)(2 + 4i)

A. 48 + 6i
B. 48 - 6i
C. -36i2 + 6i + 12
D. -24 - 42i


Answer: A

Mathematics

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A loan was obtained at 8% simple interest for two years. The loan was repaid, principal and interest, with $1102. How much was borrowed?

What will be an ideal response?

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The magnitude of a star is a measure of its brightness, and it is related to the relative intensity of light reaching Earth from the star. The relationship is Magnitude Relative intensity). If relative intensity is divided by 100, how is magnitude affected? ?

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