Answer:
5
Step-by-step explanation:
Begin by removing the brackets.
5x + 5 - 5x
Notice that there are two 5xs. They are of opposite signs so they cancel
Answer 5
 
        
                    
             
        
        
        
Answer:
the answer is b because -(-6) becomes 6 and 6 is greater than 3
 
        
                    
             
        
        
        
Answer:
9+x = 2y+14
Step-by-step explanation:
It says 9 plus a number, so plug in x for 'a number', and it says 'is twice a number plus 14'. Plug in '=' for is another variable for 'a number', and last but not least, just put +14 for plus 14
 
        
             
        
        
        
Answer:
(507.05, 592.95)
Step-by-step explanation:
Given data: 
sample mean = $550, sample standard deviation S = $60.05
95% confidence interval , n = 10
For 95% confidence interval for the mean
mean ± M.E.
where M.E. is margin of error = 
Substituting the values in above equation

= 2.62×18.99
=42.955
= 550±42.95
=(507.05, 592.95)
 
        
             
        
        
        
The children's ticket would be $7 each and the adult ticket would be $9.