9999 is largest 4 digit number, and 100^2 is 10000, or 1 greater than the largest 4 digit number. This means that the closest square root of the largest perfect square is most likely 99. So 99^2 (9801)is the largest perfect square of four digits.
        
             
        
        
        
C. 3.5
You have to go to -2 on the “X axis” and find the corresponding “Y” value on the line.
        
             
        
        
        
30 because it is in the tenths place
        
                    
             
        
        
        
Answer:
The circumference of the circle
Step-by-step explanation:
 
        
             
        
        
        
Answer:
You need more data 
Step-by-step explanation: