?Find a unit vector orthogonal to u and v.
?
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: D
Mathematics
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Find the expression that is equivalent to the given rational expression.
A. 
B. - 
C. - 
D. 
Mathematics
If AB ? BC, DC ? BC, and AB ? CD in the figure, prove that ?BAC ? ?CBD.
Mathematics
Solve the problem.Find the consumer's surplus if the demand for an item is given by 
assuming supply and demand are in equilibrium at 
A. 144 B. 216 C. 72 D. 432
Mathematics
Solve the equation on the interval 0 ? ? < 2?.
sin ? - cos ? = -1
A. 0, 
B. 0, 
C. 
, 
D. 
, 
Mathematics