Answer:
5 
Step-by-step explanation:
 because if each piece of chicken is 1 dollar she would just have to multiply 1×5
 
        
             
        
        
        
Answer:
286 cm.
Step-by-step explanation:
You add up the two sections, since it is implied that there are no intersection between the two lengths.
178 + 108 = 286 cm.
 
        
             
        
        
        
Answer:
The minimum number of cities we need to contact is 96.
Step-by-step explanation:
In a sample with a number n of people surveyed with a probability of a success of  , and a confidence interval
, and a confidence interval  , we have the following confidence interval of proportions.
, we have the following confidence interval of proportions.

In which
Z is the zscore that has a pvalue of  .
.
The margin of error is:

95% confidence interval
So  , z is the value of Z that has a pvalue of
, z is the value of Z that has a pvalue of  , so
, so  .
.
In this problem, we have that:







The minimum number of cities we need to contact is 96.
 
        
             
        
        
        
Double the number then triple that number
        
             
        
        
        
The greatest common factor of the number 6 is 1