Solve for the variable.
(x - 6) + 
(x + 9) = x + 6
A. x = - 
B. x = - 9
C. x = - 
D. x = - 
Answer: D
Mathematics
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A. csc 
B. sec 
C. -sec 
D. 1 - sec 
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+ 
? 1
A. 
B. 
C. 
D. 
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Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
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Solve for the indicated variable.u = p - k ln t, for t
A. t = e(u - p)/k
B. t = ln 
C. t = e(p - u)/k
D. t = 
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