Find the volume of the region defined by the vectors.

$\langle \left[\begin{array}{c} -6\cr 5\cr -5 \end{array}\right] , \left[\begin{array}{c} 1\cr 9\cr 4 \end{array}\right] , \left[\begin{array}{c} -6\cr 1\cr -2 \end{array}\right] \rangle$

Volume =