Find the Acute Angle, in Degrees, Between the Lines $x - \sqrt { 3 } y = 6$

Multiple Choice

Find the acute angle, in degrees, between the lines.
- $x - \sqrt { 3 } y = 6$ and $\sqrt { 3 } x - y = 1$

A) $30 ^ { \circ }$
B) $75 ^ { \circ }$
C) $45 ^ { \circ }$
D) $60 ^ { \circ }$