Find the GCF of each set of numbers. 1. 6 and 9
2.4 and 8
3. 8 and 12
4. 6 and 15
5. 10 and 15
6. 9 and 12
7. 4 and 10
8. 5 and 20
9. 7 and 14
10. 8 and 11
11. 2 and 12
12. 9 and 21
help?

Sum is 17 and their difference is 3

Vinay constructed this spinner based on the population of teachers at his school according to vinays model what is the probability that he will have a male history teacher two years in a row

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6