Does anyone mind helping me please?

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

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 ?