Answer: yes
Step-by-step explanation: slope is 4/3 and y intercept is 8 
 m= Y-20/0-9 
4/3= y-20/-9
4/3 x -9 = y-20
-12 = y-20
Y=20-12
Y=8
 
        
             
        
        
        
Answer:
-45
Step-by-step explanation:
PEMDAS
First, parenthesis:
4 + 21 = 25
1 - 71 = 7
Then Subtraction:
25 - 70 = -45
 
        
                    
             
        
        
        
Answer:
The length is of 59 cm.
Step-by-step explanation:
Perimeter of a rectangle:
The perimeter of a rectangle with width w and length l is given by:

Width of 49 centimeters and a perimeter of 216 centimeters:
This means that 
The length is cm.
We have to solve the equation for l. So






The length is of 59 cm.
 
        
             
        
        
        
Answer:5. is 500%
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
A) 800
Step-by-step explanation:
I am on a challenge and I need points plus you told me