Answer:
480in
Step-by-step explanation:
 
        
                    
             
        
        
        
X^2 - x - 90 =0
This equation is in standard form ax^2+ bx + c
The sum of the solutions is -b/a (a and b are the coefficients from the equation above, not the solutions to the equation)
The answer is 1/1 = 1
        
                    
             
        
        
        
Answer:
D. -2n - 6 = 9
Step-by-step explanation:
The first step you have to do is the distributive property in the given equation. So, you multiply n and 3 by -2. The resulting equation is -2n - 6 = 9.
 
        
                    
             
        
        
        
Answer: the data set has a range of 100
Step-by-step explanation: it has a set of 100