Which expression represents the determinant of A=

det (A) = (2) (9) - (1) (3)

det (A) = (2) (9) + (1) (3)

det (A) = (2) (3) - (1) (9)

det (A) = (2) (3) + (1) (9)

732,178+167-542,137=

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What is the estimated 33 14/15 + 23 9/25

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