Write the complex number in standard form.
?
?
?

A.
B.
C.
D.

E.


Answer: C

Mathematics

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Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sin ? = - ,   < ? < 2?Find sin(2?).

A.
B.
C. - 
D. - 

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Graph the quadratic equation by plotting points. Label the vertex.y = - x2

A.

B.

C.

D.

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Write a mixed number to represent the measurement shown.Of the 178 students at a private school, 54 are sophomores. What fraction of the students are sophomores?

A.
B.
C.
D.

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Write the ratio in lowest terms in order to decide whether the proportion is true or false. = 

A. True B. False

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