Part 1
1. 16-composite
2. 0- Neither
3. 29- prime
4. 33- composite
5. 47- prime
6. 51- composite
7. 64- Composite
8. 73- prime
9. 12- Composite
10. 24- Composite
11. 17- prime
12. 38- composite
B=30. all you have to do is minus 9 from both sides then multiply 6 to each side so all thats left is the variable
Your answer would be b i'm pretty sure
There is a 1/3 chance. Because there are 3 coins