What is the solution to 4|0.5x – 2.5| = 0

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)