Answer:
The 90% confidence interval estimate of the mean annual income of all company presidents is ($579,545, $590,580).
Step-by-step explanation:
The information provided is:

The critical value of <em>z</em> for 90% confidence level is, 1.645.
Compute the 90% confidence interval estimate of the mean annual income of all company presidents as follows:

Thus, the 90% confidence interval estimate of the mean annual income of all company presidents is ($579,545, $590,580).
This interval implies that there is 90% probability that the true mean annual income of all company presidents is within this interval.
 
        
             
        
        
        
Answer:
divide the previous value by 5
Step-by-step explanation:
125/5 = 25
25/5 = 5
5/5 = 1
1/5 = ⅕
 
        
                    
             
        
        
        
The answer would be Isosceles Acute. 
Isosceles is when the triangle has two sides of equal length.
And since each of the corners are acute, it would be isosceles acute.
        
             
        
        
        
I know this answer!!! It’s A and C for the first one!
        
             
        
        
        
Answer:

Step-by-step explanation:
 
 
 (times 6 on both sides)
  (times 6 on both sides)
 (add 4 to both sides)
 (add 4 to both sides)
 (divide R on both sides)
  (divide R on both sides)
thus
