Find the circumference of a circle inscribed in an equilateral triangle with a side of 9 inches.
you can find my interpretation of the problem attached. there was no picture with the problem. the number shown as the side length is '9'.

15 points ! ~ see if you know the answer to both you!

What is the area of the triangle 10 13 12

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?