Answer:
C
Step-by-step explanation:
f(x) - g(x)
= - x + 4 - (6x + 3)
= - x + 4 - 6x - 3 ← collect like terms
= - 7x + 1 → C
 
        
             
        
        
        
Rational because 5^3
irrational
        
             
        
        
        
Answer:
yes
Step-by-step explanation:
if you distribute the 9 into the parenthesis you get 9y + 45. Therefore, both equations are equivalent seeing that they both equal to 9y + 45. 
 
        
                    
             
        
        
        
R=23 because its slope the formula is Y-Y/X-X