Answer:
9
Step-by-step explanation:
12-5=7 so...
2+7 = 9
y = 9
 
        
             
        
        
        
Answer:
5. Area = 28.5 cm; 6. Area = 544,500 cm
Step-by-step explanation:
Area = Length×Width
5. You have to convert the mm to cm by dividing the mm by 10. Then just multiply the length and width.
6. Same thing; different unit, convert the m to cm (or vice versa, not sure which unit you need to answer in) and multiply the length and width.
 
        
                    
             
        
        
        
Rationalise the denominator of 1/2√3
Detailed answer is in the image attached.
Hope it helps you....
Please mark as Brainlliest!!!
 
        
             
        
        
        
X axis should be first and then Y axis,                                                                                      So, the answer is (2,1)