On a piece of paper graph f(x)=6•(0.4)^x then determine which answer choose matches the graph you drew

Can someone me with these two circle theorem questions asap?

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 ?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?