The rocks near the shore between 2 lighthouses at points a and b make the waters unsafe. the measure of arc axb is 300. waters inside this arc are unsafe. suppose you are a navigator on a ship at sea. how can you use the lighthouses to keep the ship in safe waters?

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 ?