Answer:
x= -7
Step-by-step explanation:
the labeled angles are alternate-interior angles which are congruent
we can solve for 'x' by creating this equation:
x+139 = 132
x = -7
I suppose <em>K</em> is the matrix

To compute det(<em>K</em>), you can use a simple cofactor expansion along the first row:

You put it into a graphing calculator and it'll come up with answer D.
It is C
Ksixkskxksmxmamlsldllxlallzlskmclaldlldle
Minuim i think because maximum is not right