Answer:
Slope = -3/4
y-intercept = 2
Step-by-step explanation:

 
        
                    
             
        
        
        
Answer:
A) 5x-6y=3
B) 7y=2x+8 
B) -2x + 7y = 8  then multiplying "B" by 2.5
B) -5x +17.5y = 20  then adding this to A
A) 5x -6y = 3
11.5y = 23
y = 2
x = 3
Step-by-step explanation:
 
        
             
        
        
        
I think it is 128 but not 100%
        
             
        
        
        
Look at the picture.
We have the proportion:

Answer: Rayan is 5 ft tall.
 
        
             
        
        
        
Do the division :-  21 / 7  = 3
Answer is 3