Answer:
The factors of 3 are: 1, 3
The factors of 9 are: 1, 3, 9
The factors of 27 are: 1, 3, 9, 27
Then the greatest common factor is 3.
Step-by-step explanation:
 
        
             
        
        
        
If n is a negative number, x would be less than -8.
        
             
        
        
        
Answer:
52
Step-by-step explanation:
12 + (38 - 18)2 = 12 + 20 × 2 = 52.
 
        
             
        
        
        
Answer:f(4)=−3x−1 f ( 4 ) = - 3 x - 1. 
Step-by-step explanation:ff(4)=−3x−1 f ( 4 ) = - 3 x - 1. 
f(4)=−3x−1 f ( 4 ) = - 3 x - 1. Replace the variable x x with 4 4 in the expression. f(4)=−3⋅4−1 f ( 4 ) = - 3 ⋅ 4 - 1. Simplify the result.