Answer:
(3b + 4) is the greatest common factor
Step-by-step explanation:

Angle ADC and EDG are congruent(vertical angles)
Same side interior angles are =180
2x+4x-30=180
6x-30=180
6x=210
x=35
CDG is congruent to DGH(alternate interior)
4x-30
4(35)-30
140-30
=110
Sorry i messed up at first i think it actually is 50.3
Step-by-step explanation:
- - George Washington
George Washington was the first president of the U.S.A