Suppose that a deck of 25 cards contains 12 red cards. Suppose also that the 25 cards are distributed in a random manner to three players A, B, and C in such a way that player A receives 10 cards, player B receives eight cards, and player C receives seven cards. Determine the probability that player A will receive six red cards, player B will receive two red cards, and player C will receive four red cards.

1. are the triangles similar and if so why? what is the value of x? show your work.

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?