Use DeMoivre's Theorem to find the following. Write your answer in standard form.
?
?
?

A.
B. ?
C.
D.
E.

Answer: B

Mathematics

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Use the even-odd properties to find the exact value of the expression. Do not use a calculator.sec 

A.  
B. 2
C. - 
D. -2

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Solve the equation.-35 - 3x = -10 + 2x

A. {7} B. {5} C. {-7} D. {-5}

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Solve the problem.The area of a square is 81 square centimeters. If the same amount is added to one dimension and removed from the other, the resulting rectangle has an area 9 square centimeters less than the area of the square. How much is added and subtracted?

A. 9 cm B. 12 cm C. 4 cm D. 3 cm

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Indicate whether the statement is true or false.Every system of linear inequalities has infinitely many solutions.

A. True B. False

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