Becky tried to evaluate an expreisson step by step
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
Answer:
step 2
Step-by-step explanation:
1) so in step 2 Becky make 4/5-5/4=0
this is wrong, as we have to make common denominators first:
16/20-25/20=-9/20
so now, we got -9/20
-9/20+7=
2) make common denominators again
-9/20+140/20=131/20
this is the right answer Hope this helps!
 
                                
             
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190 cm²
Step-by-step explanation:
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To solve this problem, you’re going to take 5.5 and divide it by 1.375. In doing so, you will get a final answer of 4 pieces.
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2.8392222e+17
Step-by-step explanation:
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Answer:
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Step-by-step explanation: