A century is 100 years. 4 times 100 equals 400. The answer is 400
        
                    
             
        
        
        
Answer:
y = 3/4 x -1
Step-by-step explanation:
The equation for a line with the slope and the intercept is y = mx+b  where m is the slope and b is the y intercept
y = 3/4 x -1
 
        
                    
             
        
        
        
You FOIL the binomials out to get a quadratic.