In Ali's cooler there are 7 bottles of soda and 9 bottles of water. Ali is going to choose 7 bottles at random from the cooler to give to his friends. What is the probability that he will choose 3 sodas and 4 waters? Round your answer to three decimal places.

Let f(x) = 1/x^2 (a) use the definition of the derivatve to find f'(x). (b) find the equation of the tangent line at x=2

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday

You draw a card at random from a deck that contains 33 black cards and 77 red cards.