It is D because us the given equation all you do is plug in the x values given on the chart  
 
        
                    
             
        
        
        
530.59
take the surface area of the cylinder (358.14)
and add it with the surface area of the cone(172.45)
        
             
        
        
        
Answer:
the answer is 45.9
Step-by-step explanation:
hope this helps :)
can I plz have brainliest
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Here you go mate
Use PEMDAS
Parenthesis,Exponent,Multiplication,Division,Addition,Subtraction
Step 1
3(x-4)=12  Equation/Question
Step 2
3(x-4)=12  Remove parenthesis
3x-12=12
Step 3
3x-12=12  Add 12 to sides
3x=24
Step 4
3x=24  Divide sides by 3
answer
x=8
Hope this helps
 
        
             
        
        
        
Could you post a picture with the graphs in it? Kinda hard to answer your question without the answer choices :)