Answer:
done on peace of paper 
Step-by-step explanation: bro this was so easy how do you not know this 
 
        
             
        
        
        
4(x+1) is the only one equal to 0
        
             
        
        
        
Answer:
904.3 cubic inches
Step-by-step explanation:
v= 4/3 π r^3
 = 1.33 x 3.14 x 6^3
= 904.3 cubic inches
 
        
                    
             
        
        
        
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