Answer:
<h3>2. 4.9x^5 - 5x^3 + 2.3</h3><h3 /><h3>3. 78x^6 y^3 z^3</h3><h3 /><h3>4. 6x^2 + 14x - 12</h3><h3 /><h3>8. 9mnr^2 - 10m^2 + 7n - 14m^2 n</h3><h3 /><h3>9. 81x^3 y + 45 x^2 y^2 - 9xy^4</h3><h3 /><h3 /><h3 />
 
        
             
        
        
        
Answer:
6
Step-by-step explanation:
One fourth is ÷4
24÷4=6
 
        
                    
             
        
        
        
THEY WOULDNT EVER BE THE SAME. MAYBE AT 0 MONTHS??
        
             
        
        
        
The second option is the answer
        
             
        
        
        
Answer: x =10
Step-by-step explanation:
I'm sorry if its not right