3.) A *the first one*
4.) C *the last one*
Answer: 3:8
Explanation: To get this you have to divide each number by the two numbers' GCF (Greatest Common Factor) and in this case the GCF is 10, so you divide both numbers by 10 and get 3 and 8.
Answer:
8090.54
Step-by-step explanation:
30.8*6.6*39.8
Answer:
1. 
2. 
3. 
4. 
5. 
6. 
Step-by-step explanation:
First use 


It doesn't have to be
, it could be
. It will be the same answer.
1. 
2. 
3. 
4. 
5. 
6. 