Question

Ignore A please! I only need help on B and C Thank you!

Answer 1

I have the answer for c

61 dots will be in figure 20

1 x 20 = 20 (these are the dots that go up)

20 x 2 + 1 = 41 (these are tho dots that go to the right)

(the 1 is the first dot in figure one)