An online music streaming company, iTunez, charges Alex $8.99 each month for unlimited music downloads. Another compnay, Beatz on Demand, charges him a one-time fee plus a monthly chrge as shown in the table. Which company charges the smallest monthly rate?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?