Answer:
Frank is wrong
Step-by-step explanation:

35 is a multiply by 5 so it is not a prime number.
Answer:
625
Step-by-step explanation:
i dont know why people keeps on deleting my answers that are right, but yeah this IS CORRECT STOP DELETING MY ANSWERS THAT ARE RIGHT....please
Richard walks
1 kilometer : 10 minutes
That would mean
6 kilometers : 60 minutes
<span>Hope that helps and correct me if I'm wrong!</span>