11340
9% of 7000 is 630 then just multiply 630x18 which equals to 11340
        
             
        
        
        
Answer:
432 cm² 
Step-by-step explanation:
To find the surface area of a cuboid, there is a formula.
2lw+2lh+2hw
Length is l, height is h, and width is w.
2(12)(8)+2(12)(6)+2(6)(8)
Multiply all the terms.
336+96
Add both the terms.
= 432
The surface area of the open cuboid is 432cm².
 
        
                    
             
        
        
        
Answer:
The answer is (-5)(-9).
Step-by-step explanation:
As you multiply 2 negative number together, it will equals to positive number :
(-5)×(-9) = 45
 
        
                    
             
        
        
        
Answer:
umm its B cause i got it right hope this helped :)
Step-by-step explanation: