Answer: 1/5 with an exponent of 5. 
hope this helps :)
 
        
             
        
        
        
8/10= 0.8 tests per minute
        
             
        
        
        
Answer:
r= 15
Step-by-step explanation:
 
        
                    
             
        
        
        
Idk! Is there a picture to show us?
        
                    
             
        
        
        
Answer:
y =  x - 1
 x - 1
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m =  , then
 , then
y =  x + c ← is the partial equation
 x + c ← is the partial equation
To find c substitute (- 4, - 7 ) into the partial equation
- 7 = - 6 + c ⇒ c = - 7 + 6 = - 1
y =  x - 1 ← equation of line
 x - 1 ← equation of line