Two marbles are drawn randomly one after the other without replacement from a jar that contains 2 red marbles, 2 white marbles, and 9 yellow marbles. Find the probability of the following events. Give each answer as a single fraction or rounded to at least three decimal places.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?