Answer:
8/15
Step-by-step explanation:
(2/5)/(3/4)=(2/5)(4/3)=8/15
 
        
                    
             
        
        
        
Answer:
   y = 4x; there are an infinite number of solutions
Step-by-step explanation:
Both equations describe the same relation between x and y. The system is "dependent", so has an infinite number of solutions. For any value of x, the solution is ...
   (x, y) = (x, 4x)
 
        
             
        
        
        
Answer:

Step-by-step explanation:
The area of a trapezoid.




