Do the area of the circle as a whole minus (72/360 x radius^2) and then minus the other grey area.
        
             
        
        
        
Put the dot on the 5 and than go down 4 i think this is right but i might be wrong sorry if i am
        
             
        
        
        
Its 23.1 one because in 23 minutes they travel three miles
        
                    
             
        
        
        
Answer:
b. both functions have a negative slope
Step-by-step explanation:
The given function is 

This function is of the form  , where
, where  is the slope and
 is the slope and  is the y-intercept.
 is the y-intercept.
We can also determine the slope of the function in the table using any two points, say  .
.
The slope formula is given by,
 .
.
If  , then,
, then,

 .
.
We can see that both functions have a negative slope.
The correct answer is B.