Here is my answer, hope to help you
Answer:
13.
Step-by-step explanation:
If each of the first 12 guests happens to be born in a different month, the 13th person will have to be born in the same month as one of the first 12.
Do you know the subject that the problem is about ?
Answer: 58 degrees
Explanation: 180-122=58
I don't know 30 I couldn't see the question that well