Use an inverse matrix to find the solution to the system.
A. x = 6, y = 7, z = 9
B. x = -6, y = 12, z = 7
C. x = -6, y = 7, z = 12
D. x = 6, y = 9, z = 7
Answer: A
Mathematics
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A. 1250 bottles per year
B. 10,000 bottles per year
C. 
bottles per year
D. -1250 bottles per year
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Find the quotient.(21x2 - 71x + 40) ÷ (7x - 5)
A. 3x - 8 B. -8x + 1 C. 21x - 8 D. x - 8
Mathematics
Use the Gauss-Jordan method to solve the system of equations. x + y + z = 92x - 3y + 4z = 7 x - 4y + 3z = -2
A. 
B. 
C. 
D. 
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Provide an appropriate response.Write as a percent. 0.419
A. 41.9% B. 0.0419% C. 0.419% D. 419%
Mathematics