Solve the system of equations by the substitution method.5x - 6y = 2 - 5x2x + 6y = x + 5y + -3

A. {(-1, 2)}
B. {(-1, -2)}
C. {(0, 2)}
D.


Answer: B

Mathematics

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A. n ? -4  
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C. n ? -4  
D. n > -4  

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A. -8
B.
C. 8
D.

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Find an explicit description of the null space of matrix A by listing vectors that span the null space.A = 

A.

B.

C.

D.

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Solve the problem.Chris lost $8.29 playing poker in one week. If this continued, what would be his net winnings or losses after five weeks?

A. -$414.50 B. -$4145.00 C. -$41.45 D. $41.45

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