This is a trigonometry question on right angle triangle. a bullet is found embedded in the wall of a room 2.9 m above the floor. the bullet entered the wall going upward of 38.2 degrees. how far from the wall was the bullet fired if the gun was held 1.3m above the floor?

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?