petra invests $10800. After 4 years she has earned $3240 in interest. At what annual rate of interest did she invest her money?

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 ?

Kayaks rent for $35 per day. which expression can you use to find the cost in dollars of renting 3 kayaks for a day?

Need so much on this one how many yards?