Please help me with these two questions.

The system of equations graphed below has how many solutions?

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 ?

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x