I need help with this please

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

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 ?

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.