Helen's Blog #2

A)

1:1
2:3
3:6
4:10
5:15
6:21
7:28
8:36
9:45
10:55

B) um.... I don't really know if there is a pattern because I don't really think I see one.... ummm...so yea :) haha

C) I think there is a formula because I doubt that nobody wants to sit down and calculate every single problem just to find this and it would take forever to finish.

D)I am sure there is a formula but I don't know if i'm able to prove it.