2+2= ?

LOL I had to put that so it don't get taken down
but he

20 ! need which shows a difference of squares? 10y^2-4x^2 16y^2-x^2 8x^2-40x+25 64x^2-48x+9

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

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?