I need help please can someone answer all of these? ill put a good amount of points


Answer:
1. c= 30
2. c= 50
3. b= approximately 13.75
4. b= approximately 9.59
5. c= 2.5
6. c= 15
7. b= approximately 6.93
8. c= approximately 8.6
9. c= approximately 18.97
10. c= approximately 11.18
11. b= approximately 13.42
12. b= approximately 11.49
Step-by-step explanation:
Pls give me brainliest