What values make an equivalent number sentence after completing the square?

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

The mean of 10 values is 19. if further 5 values areincluded the mean becomes 20. what is the meanthese five additional values? a) 10b) 15c) 11d) 22