Answer:
D) 100% Positve
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x-6 <1
Step-by-step explanation:
 
        
                    
             
        
        
        
Ron must work 9 hours. If he makes 300 every 5 hours, that means he makes 60 every hour. 60x9 = 540
        
             
        
        
        
Answer:
d)  
 
Step-by-step explanation:
Which algebraic expression is a polynomial?
 
Answer: A polynomial is an expression with variables and coefficients separated by addition and subtraction. The following are used when determining if an expression is a polynomial:
i) Variables of a polynomial must not have negative exponent.
ii) Variables of a polynomial must not have fractional exponent.
iii) Dividing by an exponent is not allowed
iv) Exponent radicals are not allowed.
a)  is not a polynomial because dividing by an exponent is not allowed.
 is not a polynomial because dividing by an exponent is not allowed.
b)  , is not a polynomial because exponent radicals are not allowed (√m)
, is not a polynomial because exponent radicals are not allowed (√m)
c)  is not a polynomial because dividing by an exponent is not allowed.
 is not a polynomial because dividing by an exponent is not allowed.
d)  is a polynomial
 is a polynomial
 
        
             
        
        
        
(f-g)(x) = 4x²-2x-12 which,evaluated at x=4, gives 64-8-12=44