See photos for solutions and steps :)
 
        
        
        
4 is the nearest integer 
as a decimal this number would be 3.5, which would round up to 4. 
 
        
             
        
        
        
Answer:
6 and 11
Step-by-step explanation:
n1 = n + 5
ns^2 = 3 + 3nb
6^2 = 3 + 3(11)
36 = 3 + 33
11 = 6 + 5
 
        
             
        
        
        
The correct sentence is letter "B"
        
                    
             
        
        
        
C: 6n 
Product means multiplication