Look at this sequence of numbers: 0, 1, 2, 4, 6, 9, 12, 16, ? - what number should replace the question mark?

20

Step-by-step explanation:

0 to 1 = a difference of 1

1 to 2 = a difference of 2-1 = 1

2 to 4 = a difference of 2

4 to 6 = a difference of 2

6 to 9 = a difference of 3

9 to 12 = a difference of 3

12 to 16 = a difference of 4

16 to 20 = a difference of 4

need to see graph

step-by-step explanation:

step-by-step explanation:

this woman was an important writer and propagandist during the american revolution. she was a member of the committee of correspondence (in fact the committee was formed in her home) and was an advisor to many of the revolutionary leaders, including george washington and john adams. who was this revolutionary woman?