Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 7x - 6y - 4z = 117w + 5x - 9y - 4z = -108w - 7x + 7y + 5z = -25-6w - 4x + 7y + 8z = -2
A. (-1, 4, -5, 2)
B. (1, 5, 4, 2)
C. (-1, 5, 4, -2)
D. No solution
Answer: C
Mathematics
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Tell whether the graph opens upward or downward and whether the graph is wider, narrower, or the same as f(x) = x2.f(x) = x2 + 12
A. Downward, same B. Upward, same C. Upward, wider D. Upward, narrower
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Determine whether the given value is a solution of the equation.p = 7, p - 1 = 6
A. Yes B. No
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Write the percent as a decimal.2%
A. 0.02 B. 0.2 C. 2 D. 20.0
Mathematics
Write an expression for the nth term of the geometric sequence. Then find the indicated term. (Round your answer to three decimal places.)
?
?
A. 
, About 1948.270
B. 
, About 1948.270
C. 
, About 1948.270
D. 
, About 1987.236
E. 
, About 1948.270
Mathematics