Answer:
Area of equilateral triangle:36cm
Square area:12cm
Step-by-step explanation:
We need to find the corresponding relationship, it is not difficult to find that this is a simple quadratic function problem.
I used pictures to express the process. You can click to view. I'm not English either. I'm Chinese, but I believe that academics know no boundaries.
 
        
             
        
        
        
Answer:
6.4347826087
Step-by-step explanation:
 
        
             
        
        
        
Isn’t it the example part?
        
             
        
        
        
False, probably. cause (2/3)^1 is defined
        
             
        
        
        
Answer:
Step-by-step explanation:
3.7 × 107 = 395.9
5.0 × 106 = 530
530 - 395.9 = 134.10