Arestaurant has two pastry ovens. when both ovens are used, it takes about 3 hours to bake the bread needed for one day. when only the large oven is used, it takes about 4 hours to bake the bread for one day. approximately how long would it take to bake the bread for one day if only the small oven were used?

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.