Answer:
Linear: greater than 2011
Quadratic: lesser than 2011
Cubic: lesser than 2011 
Step-by-step explanation:
At x = 2
Linear regression equation: 
y = -6777.54(2) + 110001.04
y = 96445.96
More than 2011
Quadratic: y = -251.10(2)² - 2760.02(2) + 98618.06
y = 92093.62
lesser than 2011
Cubic: y = -6.23(2)² - 101.67(2)² - 3747.49(2) + 100142.23
y = 92190.73
lesser than 2011
 
        
             
        
        
        
Answer:
4 Books
Step-by-step explanation:
3+1 = 4
16 - 4 = 12
3x4 = 12
 
        
             
        
        
        
The answer is -1.5. Hope this helps
        
             
        
        
        
Answer:
Ali´s secret number is 13
Step-by-step explanation: