See picture for reply and solution steps. 
 
        
             
        
        
        
The expected value of the inseam length of the jeans is found as
30% of 30+ 25% of 32+ 10% of 34+ 10% of 36 + 10% of 38 + 15% of 40
= 
= 
Hence, the third option 33.8 is the correct expected value.
 
        
             
        
        
        
The answer is 310 because the total amount of miles is 650. So, you will subtract 340 from 650 giving you 310 miles to go.
        
                    
             
        
        
        
Answer:
16
Step-by-step explanation:
the two negatives cancel out so if you are subtracting -8 from 8 you would actually end up adding them.
hope it helps!
 
        
                    
             
        
        
        
Answer:
A
Step-by-step explanation:
p^-8q^-20 * p^8q^-10
=q^-30
=1/q^30