Answer:
the length is 10 
Step-by-step explanation:
 √(1 - 9)2 + (12 - 18)2 =
 √(-8)2 + (-6)2 = √64 + 36 =
√100= 10
 
        
                    
             
        
        
        
Answer:
GCF: 1
Step-by-step explanation:
Factors are numbers that can be evenly divided into another number. The greatest common factor of a set of numbers is the biggest number than can evenly divide into all the the numbers. 
Let's list the factors of 60, 45 and 82 
Factors of 60: 
<u>1</u>, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Factors of 45: 
<u>1</u>, 3, 5, 9, 15, 45
Factors of 82:
<u>1</u>, 2, 41, 82
The greatest factor that all 3 numbers share is 1.
 
        
                    
             
        
        
        
Answer:
x is less than or equal to 9   
which is x ≤ 9
Step-by-step explanation: