Find the area of a circle with diameter 18 cm.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

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?