Answer:
2. 4
3. 5
4. 8
5. 9
6. 1
7. 6
8. 5
9. 7
10. 2
Step-by-step explanation:
Count the number of terms for each. Alternately, count the number of "+" and "-", and add 1.
Answer:
Step-by-step explanation: make sure that a+b=180
for you'll get the answer
The answer is 1/3. Hope I helped