Use Cramer's rule to solve the linear system. If D = 0, use another method to determine the solution set.9x + 9y = 9-2x - 7y = -37
A. {(-7, 8)}
B. {(-6, 8)}
C. Cramer's rule does not apply since D = 0; ?
D. {(-6, 7)}
Answer: D
Mathematics
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A. -$0.79 B. -$0.75 C. $0.21 D. -$0.84
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Subtract.(10x2 + 8) - (-x3 + 7x2 - 9)
A. 11x3 + 15x2 + 9 B. x3 + 17x2 - 1 C. 11x3 + 7x2 + 17 D. x3 + 3x2 + 17
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A. Yes B. No
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Simplify.
A. 
B. - 
C. - 
D. 
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