The area of a 12-cm-wide rectangle is 180cm. what is its length?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Which statement about the annual percentage rate (apr) is not true?