Answer:
The first three terms are 
The 10th term is 
Step-by-step explanation:
An ordered list of numbers is known as a sequence such that each number in the sequence is called a term.
The nth term is
.
To find the first 3 terms, put 

To find the 10th term, put
in 

<span>C. 8:32
2/16 = 1/4
2:4=1:2
6 to 20 = 3:10
8:32 = 1:4
12 to 64 = 3: 16</span>
The answer is B: Yes because each input has only one output
You have to pay attention in this:
- The order doesn't matter
- No repetition
- You can not chose all available elements (just 4)
So in this case your formula must be: 9C4= 9!/(4!*(9-4)!) = 126 ways