Answer:
5 - (N x 15)
81 x 15 = 1215
5-1215=-1210
-1210 should be the 81st term
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
^speed, distance, and time^
my answer lies in paper
hope undertand
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
 
        
                    
             
        
        
        
15 < = t/5 ....multiply both sides by 5
15 * 5 < = t
75 < = t