Question

please help

Answer 1

Lets start with version one
1, 3, 9, 27, 51

How many do you have to add to get from 1 to 3?

Answer 2

1

Answer 3

or 2??

Answer 4

Right, because 3-1

Lets move to the next step
How many do you add to get from 3 to 9?
Is it 2? Or another number?

Answer 5

another number which is 6 @FortyTheRapper

Answer 6

Right, meaning A isn't right, since the number changed, I.E. not constant

Think you can try out B and C?

Answer 7

c