Answer:
11/15
hope this helps
have a good day :)
Step-by-step explanation:
 
        
                    
             
        
        
        
Ratio of dog bark is 4:5
Multiply that by 20 each side
Ratio is now 80:100
So 80%
If they walk past 45 time you just have to multiply the ratio 4:5 by 9 
36:45
So the dog would bark 36 times
        
             
        
        
        
Answer:
In linear expresiion 3 is the coefficient
X will be the variable and -15 will be the constant term.
 
        
             
        
        
        
The given final course grade, 88%, is the average of Frank's four quarter grades. The average is the sum of all grades divided among the four quarters. Let x be the average,
                                  (82.5 + 94.7 + 87.9 + x) / 4 = 88
The value of x is equal to 86.9. Thus, the answer is letter C. 87%.
        
             
        
        
        
Answer: 486.60
Step-by-step explanation: