Factor: 18x²+39y-15=0 ​

For the equations below which statement is true ?

The perimeter of a stage is 116 feet. it is 17 feet wide. how long is it?

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 ?