Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.x + 8y + 8z=87x + 7y + z=18x + 15y + 9z=-9
A. {(1, -1, 1)}
B. ?
C. {(0, 0, 1)}
D. {(-1, 0, 1)}
Answer: B
Mathematics
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Solve the problem.The pharmacist mixed 5.76 grams of one drug with 4.916 grams of another drug. What was the weight of the mixture?
A. 11.776 g B. 9.832 g C. 11.52 g D. 10.676 g
Mathematics
Provide an appropriate response.
=
A. 
B. 
C. 2
D. 4
E. - 
Mathematics
Indicate whether the distinct lines, line 1 and line 2 are parallel, perpendicular, or neither.m1 = - 
, m2 = - 
A. parallel B. perpendicular C. neither
Mathematics
Solve the equation by completing the square.p2 + 3p - 9 = 0
A. 
B. 
C. 
D. 
Mathematics