Answer:
It’s the third ans 
Step-by-step explanation:
 
        
             
        
        
        
Using the calculator it is 27.47 round off to 27.5
        
             
        
        
        
You can buy 6 buckets 
Explanation:
12-30=18
18 divided by 3=6
        
             
        
        
        
Answer:
The number of items bought and the checking account balance - negative correlation
The height of a baseball player and the number of hits made- no correlation
The time spent practicing and the number of free throws made- positive correlation
Step-by-step explanation: