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Suppose an n×n matrix A has determinant equal to 1. Which of the following statements is true? Check the correct answer(s) below. A. The system Ax=b has a unique solution for all b in Rn B. The matrix A is invertible C. The reduced row echelon form of the matrix A is the identity matrix D. The matrix A is singular. E. The homogeneous system Ax=0 has infinitely many solutions F. None of the above

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Answer: Identify at least three reasons the Articles of Confederations failed as a governing document. In your opinion, evaluate which defect was most debilitating, using evidence and your knowledge of American government to justify your position.

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