Answer:
y = 0
Step-by-step explanation:
subsitute x = -3 into y = x^2 - 7x + 12
y = -3^2 - 7 x  -3 + 12
   = 9 - 21 + 12
   =  0
 
        
                    
             
        
        
        
Answer:
51.90
Step-by-step explanation:
the answer is 51.90
hope this helped!!!
 
        
             
        
        
        
8418 just put it in a calculator next time
 
        
             
        
        
        
Answer:
<h2>4 bilion = 4 × 10⁹</h2>
Step-by-step explanation:
The scientific notation:

where

4 billion:
in USA: 4,000,000,000
in Europe: 4 000 000 000 000
