Solve using Cramer's rule. 6x - 8y - 9z = -42 6x + 5y + 4z = 75-6x - 6y - 4z = -78
A. (6, 3, 6)
B. (6, -3, -6)
C. (7, 1, 6)
D. (3, 6, 3)
Answer: A
Mathematics
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A. No B. Yes
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Find the limit.
A. 
B. 
C. 
D. Does not exist
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Find the asymptotes of the hyperbola.4y2 - 64x2 = 256
A. y = 
x and y = - 
x
B. y = 
x and y = - 
x
C. y = 4x and y = - 4x
D. y = 16x and y = - 16x
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Solve.A sales representative is paid a commission rate of 5.0%. Find her commission if she sold $167,790 worth of goods last month.
A. $3355.80 B. $33,558.00 C. $8389.50 D. $176,179.50
Mathematics