Perform the indicated operations.(11x4y2 + 9x3y + 12y) - (5x4y2 + 4x3y + 2y + 6x)
A. 6x4y2 + 5x3y + 10y - 6x
B. 16x4y2 + 13x3y + 14y + 6x
C. 6x4y2 + 5x3y + 10y + 6x
D. 6x4y2 - 5x3y + 10y - 6x
Answer: A
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A. 
= 
B. 
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C. 
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D. 
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Make the requested preference schedule.Eight voters are asked to rank 3 brands of automobiles: A, B, and C. The eight voters turn in the following ballots showing their preferences in order:
Make a preference schedule for these ballots.
A. 
B. 
C. 
D. 
Solve the system. Indicate all corner points and shade the solution set.3x + 2y ? -6 x - 1 ? 0
A. 
B. 
C. 
D. 
Use the elimination method to solve the system.-6x - 5y = 4-6x - 5y = 8
A. (-20, -24) B. Infinitely many solutions C. (-24, -20) D. No solution