Answer:
1.x=-4+ y/2 - z/2
2. X=-4-y-z
3. x=y/3-2/3
Step-by-step explanation:
 
        
             
        
        
        
Your answer is going to be 5x^2+6 because if you simplify and do x(5)x +6 it will equal to 5x^2 + 6 
Hope this helped!!
        
             
        
        
        
Answer:
368 ounces
Step-by-step explanation:
since 16 ounces is 1 pound, multiply 23 by 16 
 
        
                    
             
        
        
        
2 and 7 because it will stay constant