Answer:
Thus, 56/81 is equivalent fraction for 8/9 times of 7/9.
Step-by-step explanation:
 
        
             
        
        
        

  then you figure out what you divide 56 by to get 4. which is 14. then you divide 42 by the same number 14.
 
        
                    
             
        
        
        
The plane's airspeed is 140:)
        
             
        
        
        
Answer:
Step-by-step explanation:
The general equation of the circle is:
(x-h)²+(y-k)²=r²
(h, k)=(-3,-5)  are the coordinates of the center of the circle.
r=6  is the radius
The equation of the circle is:
(x+3)²+(y+5)² = 36