Answer:

(Please vote me Brainliest if this helped!)
Step-by-step explanation:


1. 

2. 

3. 
4. 
5. 

If order doesn't matter then the number of possible choices is:
Answer:
A
Step-by-step explanation:
Answer: You divide the top row by itself and you multiply the top by 2 each time.
Step-by-step explanation: Multiply 72 by 2 each time on top and the bottom row just simply add 1.
Sorry if it is wrong but i hope it helps!