D. they are corresponding angles and their measures add to 180°
Answer:
x
| 3 | 2 | 1 | 0 | 1 | 2 l 3 |
−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
y
| 10 | 5 | 2 | 1 | 2 | 5 | 10 |
Answer:
-m+3
Step-by-step explanation:
4 - 3m - 1 + 2m
4-1-m
-m+3