Answer:
 1/4845
Step-by-step explanation:
The probability of selecting a defective cog first is 
1/5 
The second cog is 
3/19 
The third cog is 
1/9 
And the fourth cog is 
1/17
Multiplying these together we get
1/5 * 3/19* 1/9 * 1/17  = 1/4845
 
        
             
        
        
        
Not enough data given here. Incomplete question. 
 
        
             
        
        
        
Answer:

Step-by-step explanation:
a trinomial that cannot be factored has no real roots. 
here is one:

After graphing this trinomial has no intersections points with the x-axis wich means it has no roots 
 
        
             
        
        
        
I THINK on b its that the percentages represent........................................................................................................................................READY.............UMMMMM............HOW MANY POEPLE GET A JOB ON HONEROLL OR TRY TO GET A JOB WHEN ITS HONNER ROLL OR NOTTTTTTTTTTTTTTTT.............................there u go........................byeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
        
             
        
        
        
Answer:
The answer is X>6
if you click the image it will show the steps to solving the inequality. hope this helps.