Answer:
C) 142,488
Step-by-step explanation: by adding up here semimonthly, also took test.
 
        
             
        
        
        
Answer:
in my opinion is the last: 
this studies uses a control group
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
0
Step-by-step explanation:
A horizontal line has a slope of zero and a vertical line has an undefined slope
 
        
             
        
        
        
If the question is 5m^2 the answer is 80. And if the question is 5m2 then it is 40
        
                    
             
        
        
        
Answer:
-7
Step-by-step explanation: