Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sin (-30°)

A. - 
B.
C.
D. - 

Answer: A

Mathematics

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Write the expression in the standard form a + bi.(-4 - 7i)(2 + i)

A. -1 + 10i B. -15 + 10i C. -1 - 18i D. -15 - 18i

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Find fx(x, y).f(x, y) = y ln

A. fx(x, y) = 
B. fx(x, y) = - 
C. fx(x, y) = - 
D. fx(x, y) = - 

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Decide if the statement is true or false.-18 ? -18

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