Write the expression in the standard form a + bi.If w = 8 + 5i, evaluate w - .

A. 0
B. 10i
C. 16
D. -16 + 10i


Answer: B

Mathematics

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A. x   
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A. Acute B. Obtuse C. Reflex D. Straight

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Solve.The number of students in a school in year n is estimated by the model. About how many students are in the school in each of the first three years?

A. 117, 147, 201 B. 109, 147, 201 C. 123, 161, 215 D. 109, 147, 177

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