Respuesta :

Answer:

3 for the first. 6 for the second. 3 for the third. and 6 for the fourth.

Answer:

Read explanation

Step-by-step explanation:

1. GCF of 9 & 15 is 3

2. GCF of 12 & 18 is 6

3. GCF of 15 & 27 is 3

4. GCF of 30 & 54 is 6