D is the answer. Putting this because it has to be 20 characters
28. You do 2x + (4x + 12) = 180. That gets you 6x + 12 = 180. Minus the 12 from both sides. 6x = 168. Divide both sides by 6 then you get 28.
The correct answer is 37.7 sorry for the late response D;
Answer:
Y = 168°
X = 12°
Step-by-step explanation:
Y = 168 degrees
X = 5x -48
48 = 4x
12 = x