Answer:
3^10
Step-by-step explanation:
 
        
             
        
        
        
3:8 = 12:x so multiply 8 by 4 which is 32 so 3:8 = 12:32. The next one is 3:8 = x:48 So for this, you can multiply 3 by 6 to get 18:48 as your answer.
        
             
        
        
        
Answer:
From left to right
20, 40, 0.2, 0.6
Step-by-step explanation:
y/x = k
1st chart
20/1 = 20
2nd chart
80/2 = 40
3rd chart
0.4/2 = 0.2
4th chart
4.5/7.5 = 0.6
 
        
             
        
        
        
<u>(a) Construct a 95% confidence interval for the difference between the average number of intrusion attempts per day before and after the change of firewall setting (assume equal variance)</u>
 
        
                    
             
        
        
        
Answer:
12x^3 - 11x^2 + 9x + 18
Step-by-step explanation:
12x^3 - 20x^2 + 24x + 9x^2 -15x + 18
Combine like terms
12x^3 - 11x^2 + 9x + 18