What is the determinant of the coefficient matrix of the system 9x+0y + 5z = 7 ?
6x+Oy-12z =

I’m pretty sure it’s i think : /

The first one, i believe, would be correct. all the others have one thing in common, and that's that they have repeating numbers. in the second one, x and y have repeating 6's and 3's, and in the third, x and y have repeating 6's as well. in the last one, there are repeating 3's. the first one has no repeating numbers.

Pp= 50 pounds of apples