Answer:
x=-8
Step-by-step explanation:
8=16+x
-x=16-8
-x=8
x=-8
1. 180-146=34°
2. 40° (alternate angles are equal)
3. 50° (vertically opposite angles are equal)
4. 180-75=105° (co-interior angles add up to 180°)
5. 90-65=25°
Hope my answer helped u :)
Its 0 because the slope would be one if it was a positive line and itd go up and across one unitl and it is undefined if it is parallel to the y axis