Factor 26r^3s +52r^5-39r^2s^4. what is the resulting expression?

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 ?

Will mark name all segments skew to bc

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.