A bag contains 2 red marbles , 3 green marbles , and 4 blue marbles.

If we choose a marble, then another marble without putting the first one back In the bag, what is the probability that the first marble will be green and she second will be red?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?