Find the Determinant of the Matrix $\left| \begin{array} { c c c } 2 & 1 & 6 \\- 2 & 5 & - 3 \\8 & 1 & 5\end{array} \right|$

question 13

Essay

Find the determinant of the matrix. Determine whether the matrix has an inverse or not, but do not calculate the inverse. $\left| \begin{array} { c c c } 2 & 1 & 6 \\- 2 & 5 & - 3 \\8 & 1 & 5\end{array} \right|$

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A federal law in the United States aimed at ensuring the quality of Americans' drinking water by regulating its sources and contaminants.

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Regulations determining the minimum quality of water provided for human consumption to ensure it is safe and free from contaminants.

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U.S. federal law established to regulate pollutant discharges into the waters of the United States and to set water quality standards.

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