Answer:
8
Step-by-step explanation:
dog=3x
cat=x
3x+x=32
4x=32
4/4
32/4
x=8
3(8)=24
x=8
So she trained 24 dogs and 8 cats
 
        
             
        
        
        
Answer:
B.) This is not a binomial experiment, because the number of trials is not fixed.
Step-by-step explanation:
For a certain experiment to be classed as a binomial, it has to meet some criteria ;
Which include ;
1.) The trials should be independent. 
11.) Each trial should be classifiable into one of success of failure. 
111). There is a fixed mean probability for success and failure 
IV) There is a fixed number of trials, in experiment described above, the number of trials isn't fixed, it is variable, as the trial will continue until a defective item is obtained. 
 
        
             
        
        
        
Answer: 9 /17 as fraction 9.143 Simplify
Step-by-step explanation:
 
        
                    
             
        
        
        
Make a systems of equations:
11x+13y=209
x+y=19
        
             
        
        
        
Answer:
use the app called photomath