Stacy has been baking all weekend for her school's bake sale. She used 12 ounces of sugar to bake brownies. Then, she used 12 more ounces of sugar to bake cupcakes. Finally, she used 8 ounces of sugar to make frosting for the cupcakes. How many pounds of sugar did she use in all?

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?