Answer:
6.25 mm squared
Step-by-step explanation:
Because if you multiply 2.5 by 2.5 you get 6.25. To find the area of a square you multiply the two sides its the same as a rectangle.
 
        
             
        
        
        
The square root of 81 is 9
Your answer is <em>9
</em>Work:
9 x 9 = 81
        
                    
             
        
        
        
Answer:
Choice A (older trees are generally taller than younger trees)
Step-by-step explanation:
As you increase the x value, the y value tends to increase as well.  Choice B is incorrect because the points are clustered together in a linear fashion, showing correlation. Choice C is incorrect because the fact that they are clustered around a line of best fit shows high correlation. Choice D is incorrect because a negative correlation coefficient would mean the y decreases as x increases.
 
        
             
        
        
        
Pretty sure 200feet but its kinda easy