Answer:
44.75
Step-by-step explanation:
5.5 + (- 2.75) - 7(18 ÷ - 3)
5.5 - 2.75 - 7(- 6)
5.5 - 2.75 + 42
2.75 + 42
44.75
Answer:
6920
Step-by-step explanation:
Basically the line is 180° in total.
If one side is 129°
then the other side is 180 - 129
which means x = 51°
Rounded to the nearest tenth place would be: 1.0
Hope it helps!