Pounds is the correct unit of measure
        
                    
             
        
        
        
Answer:
10% off would be $96.94 
So using the Coupon for 10% off would be the best deal.
 
        
             
        
        
        
The graph is in the picture (0,8) (40,0)
 
        
        
        
Answer:
-19k ≠ 0
No solutions
Step-by-step explanation:
k/4 - 5k + 1 = 1
4 (k/4 - 5k + 1 = 1)
k-20k + 4 = 4
-19k ≠ 0
 
        
             
        
        
        
The sample which is likely to produce the most valid result is Richard's sample because there was no statistical bias. Statistical bias is the systematic favoritism of certain individuals in the study. Just like what Adriana, Henry and Malik did in conducting their surveys, they choose people who are point of interest and also who are near them. In the way Richard conducted his survey, he used a random sampling technique, this is a method of selecting a sample from a population in such a way that every possible individual can be chosen and he doesn't know who these people are.