Suni needs to repay her school loan in 4 years. How much must she semi-annually deposit into an account that pays 0.9% interest, compounded semi- annually, to have $100,000 to repay the loan?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?