Solve the system of equations. If the system has no solution, say that it is inconsistent.
A. x = 
, y = - 2; 
B. x = 4, y = 3; (4, 3)
C. x = 5, y = 15; (5, 15)
D. inconsistent
Answer: D
Mathematics
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Find cos 
.
A. - 
B. 
C. 
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Solve.Frank can type a report in 2 hours and James takes 7 hours. How long will it take the two of them typing together?
A. 
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B. 
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D. 7 hr
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Solve the equation first by clearing the fractions.
x - 
x = 4
A. 28 B. -28 C. -32 D. 32
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Graph the inequality.x2 + y2 ? 4
A. 
B. 
C. 
D. 
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