Answer:
Just substitute, and the simplified form is 1
Step-by-step explanation:
Substitute the values needed into the original equation. For example, if n=1 
t(1)=15-2.5(1)=15-2.5=12.5. Or, if tn+1 substitute f(tn+1)=15-2.5(tn+1) and simplify. 
tn+1-tn in its simplest form is just 1, as tn and -tn cancel out to leave 1.
 
        
             
        
        
        
Answer:0.02
Step-by-step explanation:
0.04/2
 
        
             
        
        
        
Answer:
i got b and h{i hope this helps}
Step-by-step explanation:
 
        
             
        
        
        
Answer: 
I just found it out, 200 Student tickets were sold.
 
        
             
        
        
        
This all depends on the content you are studying, and what learning style works for you. One thing that works for most people is repetition. Although it sucks, it works because that’s how our brains are wired. Tell yourself, “I will not stop studying until I understand this concept or calculation,” for example. Then take a break once you are comfortable with it. Repeat again as needed. Start studying early and only study what you don't know. Try to be as consistent as possible. Good luck!