Answer:
8-3=8-3
Step-by-step explanation:
 
        
                    
             
        
        
        
Although they are the same variable, you cannot add two variables raised to different powers. 3x^1 + 5x^2 cannot work, but 3x^2 + 5x^2 can. Also, if you are multiplying them, they would combine to be 15x^3, as 3 and 5 (The coefficients) multiply together and x^2 times x^1 = x^3.
I hope that helps.
        
             
        
        
        
20 - 13.76 = 6.24
The change after spending $13.76 would be $6.24.
        
             
        
        
        
T=PV/Rn you just divide both sides by Rn 
        
             
        
        
        
Answer:
how r we supposed to help if u dont have the picture 
Step-by-step explanation: