Answer:
Width = 2x² 
Length = 10 
Step-by-step explanation:
The greatest common monomial factor of 14x² and 6x² is 2x² so the width is 2x². 
Width = 2x² 
Length = (14x² ÷ 2x²) + (6x² ÷ 2x²) 
             = 7 + 3 
              = 10 
 
        
             
        
        
        
Answer:
54693.47836
Step-by-step explanation:
Order of operations PEMDAS
Do the multiplication and division first - each separately
Then add and subtract the answer you get to get the final answer.
 
        
                    
             
        
        
        
Answer:
a. 5.26
Step-by-step explanation:
As, the standard deviation of the distribution of the difference between mean is 0.76 so the t score will be simply calculated by dividing the difference of means by standard deviation of the distribution of the difference between mean as hypothesized difference is zero.
t score=Xbar A- Xbar B/Sd of difference of means
t score=55-51/0.76
t score=4/0.76=5.26