Answer:
A) plot a point on 9.8 on age 9 and 11 on age 7 
B) Negative 
C) line of best fit is just going through the middle 
 
        
                    
             
        
        
        
It usually works well to do what the instructions tell you. Multiply each diameter by 3.14.
a) 3.14×6 cm = 18.84 cm
b) [can't read the picture]
d) 3.14×9 in = 28.26 in
e) 3.14×11 mm = 34.54 mm
        
             
        
        
        
A=B H 
area equals the base times the height 
        
             
        
        
        
1: 0.5 and 50%
2: .2 and 20%
3: .75 and 75%
10: (1/10) and 10%
11: (3/5) and 60%
12: (1/4) and 25%
        
                    
             
        
        
        
Answer: 10.0
Step-by-step explanation: 10/1=10=10.0