59° + 81°+ x° = 180°
140° + x° = 180°
x = 40°
The answer to this question is A.-1/12
Answer:
3. 18 + 18 + 7 + 7 = 50
4. 120 degrees
Step-by-step explanation:
Answer:
or 
Step-by-step explanation:
Add all fractions:
+
+
= 
Simplify if needed:
= 
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