Answer:
y =16 
I have solved it . It's in the picture above. Hope it helps
 
        
             
        
        
        
42.5 units sq
I’m not sure because I did this partly in my head but this should be right.
        
             
        
        
        
Answer:
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A right prism is made up of two identical, parallel bases on the ends, and the faces are perpendicular to the bases. The formula for finding surface area is 2B + hP (where B is the area of one of the bases, h is the prism's height and P is the perimeter of the base)
Step-by-step explanation:
hope this helps 
 
        
             
        
        
        
Answer:
 
 
And replacing we got:
 
 
 
 
And the confidence interval for the difference of means would be given by:

Step-by-step explanation:
Previous concepts
A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".  
The margin of error is the range of values below and above the sample statistic in a confidence interval.  
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  
We have the following data given:

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 93% of confidence, our significance level would be given by  and
 and  . And the critical value would be given by:
. And the critical value would be given by:  
 
  
The confidence interval is given by:
 
 
And replacing we got:
 
 
 
 
And the confidence interval for the difference of means would be given by:

 
        
             
        
        
        
I think answer should be thousands please give me brainlest I hope this helps let me know if it’s correct or not okay thanks