Answer:
C. 10–15, 15–20, 20–25, 25–30, 30–35
Step-by-step explanation:
The one that isn’t rationals is B.
Answer is in the pic above. Theorems used:
Exterior angle theorem
Inscribed angle theorem.

Answer:
the answer is 1959
Step-by-step explanation:
2834-875=1959