Solve the system.2x - 2y + 3z = -9 x + 2y - z = 10 2y + z = 7
A. {(1, 4, -1)}
B. ?
C. {(-1, 4, 3)}
D. {(1, 17, -17)}
Answer: A
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = (x - ex cos y)i + (x + ex sin y)j; C is the lobe of the lemniscate r2 = sin 2? that lies in the first quadrant
A. 
B. 0
C. 1
D. 
Solve the problem.Computer Specialists is planning a group vacation to one of the following locations: Alaska (A), Florida (F), San Antonio (S), or Hawaii (H). The employees rank the four possible sites according to the following preference schedule.
Which choice wins using the method of pairwise comparisons?
A. Alaska & Hawaii (tie) B. Alaska C. Florida & Hawaii (tie) D. Alaska & Florida (tie)
Solve the problem. Round your answer, if appropriate.For a particular circuit, the current (in amperes) after time t (in seconds) at a certain point P is given by 
Find the charge (in coulombs) that passes point P during the first second by evaluating 
A. 1.21 coulombs B. 0.005 coulombs C. 0.0041 coulombs D. 244 coulombs
Multiply and reduce answers to lowest terms. Write improper fractions as whole or mixed numbers.
? 
A. 
B. 
C. 54
D. 