(answer + ! ) oil and gas production in a certain area dropped from 4 million barrels in 2000 to 1.9 million barrels in 2013. assuming that the oil and gas production decreased at a constant rate, which of the following linear functions f best models the production, in millions of barrels, t years after the year 2000? a. f(t) = 21/130t + 4 b. f(t) = 19/130t + 4 c. f(t) = -21/130t + 4 d. f(t) = -19/130t + 4

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.