My preferred way to divide complex numbers is to multiply numerator and denominator by the complex conjugate of the denominator
Economic opportunities seems to be the driving factor for migration nowadays. An example of a group of migrants migrating from areas with a lack of economic opportunities to areas with more economic opportunities are Mexican immigrants seeking job opportunities.
Angles in a triangle add to 180 so
55 + 23 = 78 so 180 - 78 = 102 so the other angle in the triangle would be 102 degrees
