A bag contains 16 black marbles, 20 orange marbles, 36 gray marbles and 34 purple marbles. If a marble is selected at random, find the following probabilities, in simplest form: P( orange)

For each proportion find the unknown number x 1/5/8=×/15

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

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?