Answer:
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Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: $6.4
Explanation 0.2(80) - 0.12(80)
        
                    
             
        
        
        
Step-by-step explanation:
Factors={7,14,21,28,35}
Prime= {7}
Composite={14,21,28,35}
 
        
             
        
        
        
Answer: Option B.
Step-by-step explanation:
 Given the polynomial:
 
  Observe that  and
 and  are perfect squares. Then, you can rewrite the polynomial in this form:
 are perfect squares. Then, you can rewrite the polynomial in this form:
 
 You can identify that:
 
 Then, we can check if 
  
 Since  , the polynomial
, the polynomial  <em>IS NOT </em>a perfect square trinomial of the form
 <em>IS NOT </em>a perfect square trinomial of the form 
 
        
                    
             
        
        
        
Jessica will need to continue knitting for 4 nights.
9cm - 1cm = 8cm
8cm / 2cm = 4 nights
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