Indicate whether the rational expressions are equivalent.
and 
A. The expressions are not equivalent.
B. The expressions are equivalent.
Answer: B
Mathematics
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Use half-angle identities to find the exact value of the expression.tan 
A. 
B. 2 + 
C. 
D. 2 - 
Mathematics
Solve the problem.If you are dealt two cards successively (without replacement) from a standard 52-card deck, find the probability of getting a king on the first card and a queen on the second.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by completing the square.x2 + 16x = -43
A. {8 - 
, 8 + 
}
B. {8 + 
}
C. {-8 - 
, -8 + 
}
D. {-16 + 
}
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics