Answer:
20°
Step-by-step explanation:
By inscribed angle theorem:
(Measure of inscribed angle is half of the measure of intercepted arc. )

Answer:
Many techniques will simplify your work as you perform operations with algebraic fractions. As you review the examples, note the steps involved in each operation and any methods that will save you time.
6. 25/(-5)=-5
7. 10-13=-3
8. 21-47=-26
9. -19+4=-15
10. -17+2=-15
11. -8-5=-13
12. -12-3=-15
Hope I didn't mess up for your sake.
The answer is b hopes this hopes