Answer:
Step-by-step explanation:
u799
 
        
             
        
        
        
Answer:
A is the answer 
Step-by-step explanation:
You should pay attention to x^3 when you want to talk about infinite.
 
        
             
        
        
        
8 is the hundreds, 7 in the tens, and 3 in the ones
        
                    
             
        
        
        
Answer:
b) 1000x + 115
Step-by-step explanation:
C = 20y + 15
= 20(50x + 5) + 15
= 1000x + 100 + 15
= 1000x + 115