Question: 11. Use Cramer's Rule to solve the system. ( x -4y =-7 3x+ 8y=19 12. Find the determinant of the matrix using the cofactor method.

11. Use Cramer's Rule to solve the system. ( x -4y

11. Use Cramer's Rule to solve the system. ( x -4y =-7 3x+ 8y=19 12. Find the determinant of the matrix using the cofactor method. 1 2 0 2 3 - 4 0 4 A = 0 1 6 0 1 0 2 0

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