Answer: It should be in the comments
Step-by-step explanation: I’m sorry if you can’t rlly understand
It is a representation of a number
Answer:
21
Step-by-step explanation:

Multiplying both sides by 7, we get

The two 7s on the left cancel out to give 1, so

Please mark Brainliest if this helps!
Answer:
Option (2)
Step-by-step explanation:
In an arithmetic progression,

First term of the progression,
a = 
Common difference 'd' = 
Recursive formula for the sequence,
a = 

By applying these rules in the recursive formula,


Common difference 'd' = 
Therefore, Option (2) will be the answer.
Answer:
I: 82.1
Step-by-step explanation: