Please Help. What is the Answer to this one.

Step-by-step explanation:
it's answer is c 23
Step-by-step explanation:
Here
The lines are parallel so
3x + 28° + 2x + 37° = 180°<being co-interior angles>
5x + 65° = 180°
5x = 180° - 65°
5x = 115°
Therefore x = 23°