Answer:
12 mph
Step-by-step explanation:
If she travels 3 miles in 15 minutes she travels 3 * 4 = 12 miles in one hour so the answer is 12 mph.
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
8.13<8.4
.004<.05
.4 repeating>.4
 
        
             
        
        
        
Answer:
How much does he spend? You mean Do you have the cost? 
Step-by-step explanation:
 
        
             
        
        
        
I believe the answer is:
1+3.000000000i
I am making an educated guess, so sorry if I am wrong.
 
        
                    
             
        
        
        
An your question is killing meeebshsbshshnsnshshshssbevudjekenehz bsbddi