A radius is a straight line from the centre to the edge of a circle. i’m not sure about any examples sorry :/
        
             
        
        
        
The answer would be x-16=31
        
             
        
        
        
When you're combining 'like terms', look for all the terms that end with 'ab'.
Then add all the numbers that have 'ab' after them.
        
             
        
        
        
Answer:
2,9
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The answer is 12.4
Step-by-step explanation:
Because it is this way.