Answer:
D
Step-by-step explanation:
It's the only equation that gets y correct in every one.
Answer:
C
Step-by-step explanation:
A triangle is 180 degrees so 120+40 is 160
180-160=20
M4 would be choice b I know this because I put it in the calculator
Answer: the second one
Step-by-step explanation:
Answer:
55°
Step-by-step explanation:
y+x=180°
25°+30°+x=180°
25°+30°=y
y=55°
*Exterior Angle Theorem*
<u><em>Sorry for the lack of explanation. It's midnight, so I didn't have much time.</em></u>