Find, Correct to the Nearest Degree, the Angle Between the Planes

Multiple Choice

Find, correct to the nearest degree, the angle between the planes. $x + y - z = 1,5 x - 13 y + 10 z = 5$

A) $127 ^ { \circ }$
B) $12 ^ { \circ }$
C) $123 ^ { \circ }$
D) $7 ^ { \circ }$
E) none of these