It is in the form y = mx + b. therefore it is linear.
        
             
        
        
        
Answer:
31
Step-by-step explanation:
 
        
             
        
        
        
The radius of a sphere that has a surface area of 12.56in2 would turn out to be: 
4 r²
r²
 
        
        
        
Answer:
17
Step-by-step explanation:
f(n)=5(n-1)+2
f(4)=5(4-1)+2
 =5×3+2
 =17
hope it helps 
plz. mark as brainliest
 
        
             
        
        
        
Answer:
4999500
Step-by-step explanation:
first 5 = 5000000
second 5 = 500 
difference = 5000000-500