I believe in standard form this would be 31/2 + 27i/2
        
                    
             
        
        
        
15.12m2 just finished the test
        
             
        
        
        
Answer:
15 ft
Step-by-step explanation:
In a parallelogram the diagonals bisects each other
So WC= CY
 solve the equation for x
 solve the equation for x
Subtract x from both sides
 
 
 
 
Now we add 7 on both sides
 
 
x=11
Now we need to find CY

Plug in 11 for x

 
        
                    
             
        
        
        
Answer:volume= 125cu.in
 Surface area=150sq.in
Step-by-step explanation:
 
        
             
        
        
        
Answer:
117
Step-by-step explanation:
For every 3 zinc there would be 19 copper, and for every 19 copper there would be 3 zinc. There are 741 copper, so there would be 741 * 3 / 19 zinc, which turns out to be 117 zinc.