1) irene places a mirror on the ground 24ft from base of an oak tree. she walks backward until she can see the top of the tree in the middle of the mirror. at that point, irene’s eyes are 5.5 above the ground, and her feet are 4 ft from the mirror. how tall is the oak tree?

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?