A bag contains marbles: 5 purple, 6 blue, 8 yellow, 1 green. You will draw a marble, put it back, and then draw another. What is the probability that you will draw a purple and a green? Make sure to simplify your answer if using a fraction. If using a percent, round to the nearest hundredth after you change it to a percent.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

The ratios of boys to girls on a soccer league is 2: 5. if there are 28 boys, how many girls are playing soccer? extra points! will mark as brainiest asap

Ana earns 2.5% simple interest on $2,000 in her savings account. she does not make any deposits or withdrawals. after 3 years, how much interest will ana have earned on her savings account?