I keep getting really confused on this question, can someone explain it to me?

Which expression is equivalent to sq-80

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 ?

For the feasibility region shown below find the maximum value of the function p=3x+2y