Find a row echelon form or a reduced row echelon form, as indicated, for the given matrix.Find a row echelon form for the matrix.

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Mathematics

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Use the Rule of 78 to find the payoff amount for the loan paid in full before the date of maturity.Finance charge: $23,171Total number of payments: 271Amount per payment: $209Remaining number of payments, when paid in full: 4

A. $1041.23 B. $832.23 C. $1038.71 D. $829.71

Mathematics

 Find all values of ? in [0°, 360°) that satisfy the equation.sin ? = 

A. {60°, 120°} B. {60°, 300°} C. {150°, 210°} D. {210°, 330°}

Mathematics

Express the set in simplest interval form.(-2, 6] ? (0, ?)

A. (0, 6] B. [0, 6] C. (-2, 6] D. (-2, ?)

Mathematics

Solve the equation.a = 0

A. 1 B. 0 C. -25 D. 25

Mathematics