In 5 years, a bank account with a 4.5% annual interest rate earned $3,375 as simple interest. what was the principal amount of the account?

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16