C. is the correct answer, I had this question last night as well :D
Good luck!(:
<span>the factors for 20 are 1, 2, 4, 5, 10, and 20 and the factors for 249 are 1, 3, 83, and 249. so the only numbers that can go in evenly are 1</span>
I think its informal because cool isn't a formal word
These are four folktales that I have heard of
Why the sun and the moon live in the sky.
The leopard man.
The two friends.
The red and blue coat.