Answer:
number 3 dual federalism
I believe it is A. Cooperative Federalism
Step-by-step explanation:
The other ones don't seem applicable to the diagram
x=6
5x+9-3x=21
5x-3x=21-9
2x=12
10. 12
Number 10 is 12 but I don't understand number 11.
I hope this helps.