The Sum of the Angles in Any Triangle Is $5 ^ { x } = 9$

Multiple Choice

The sum of the angles in any triangle is $5 ^ { x } = 9$ . In triangle ABC , angle A is $- 0.5579$ less than the sum of angles B and C , and angle C is $- 1.7925$ less than twice angle B . Find each angle.

A) $v ^ { - 3 }$
B) $( - 2 , - 12 )$
C) $9 x ^ { 2 } - 24 x + 15$
D) $3 x ^ { 2 } - 3$
E) $x = 4$