Answer:
21 is a function but 20 is not
The answer is either 2 or 3
It said that Congress had no right to make slavery illegal anywhere because the Founding Fathers had not intended slaves to be, and that blacks, even if they were free, could not be citizens of the U.S.
3.
12 ÷ 2 = 6
27 ÷ 3 = 9
24 ÷ 4 = 6
30 ÷ 3 = 10
15 ÷ 5 = 3