What do the initials b. a.c. represent?

Solve this problem e=0+4m+p/6 (i also need to know what they are asking)

Pest analysis, a framework for understanding different facets of the world in which a business operates, looks particularly at political, social, and technological factors.

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described