Answer:
Step-by-step explanation:
The third, fifth and sixth expressions (from the top) are NOT polynomials, and the reason in each case is that the expression has one or more negative powers of x in it.
 
        
             
        
        
        
Should would have $1,642.86 in her account 
        
             
        
        
        
Answer:
1/3 <x
Step-by-step explanation:
2x + 4 < 5x + 3
Subtract 2x from each side
2x-2x + 4 < 5x-2x + 3
4 < 3x+3
Subtract 3 from each side
4-3 <3x-3+3
1 <3x
Divide each side by 3
1/3 <3x/3
1/3 <x
 
        
             
        
        
        
Answer:
 30 
Step-by-step explanation:
This
Area of triangle = height * base ÷ 2
6 * 10 = 60
60 ÷ 2 = 30
30 cm ^2