I NEED HELP! with these 5, & 7?

In the 30-60-90 triangle below side s has a length of and side r has a length

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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 ?