Answer:

Step-by-step explanation:






Answer:
im gussing sorry if its wrong :(
Step-by-step explanation:
1=a
2=d
3=b
4=c
Answer:
in my knowledge
Option A..
Step-by-step explanation:
This is an arithmetic sequence since there is a common difference between each term. ... This is the formula of an arithmetic sequence.
About 3.606, if you round it.