Find the exact value of y, or state that y is undefined.y = sec-1 (-2)

A.
B. - 
C.
D. - 


Answer: A

Mathematics

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A.  cos 81
B. (1 - cos 81)
C. (1 - cos 81)
D.  cos 81

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Divide.0.3 ÷ 0.01

A. 30 B. 3 C. 0.3 D. 0.03

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Solve the equation by factoring.7x2 - 13x = 2

A. {-7, 2}
B.
C.
D.

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