Finley has 152 yellow, red, and blue marbles in a bag. he has seven more red marbles than yellow marbles, and three times as many blue marbles as yellow marbles. how many yellow marbles does finley have? write an equation to represent this problem. then solve the equation. a. x + x + 7 + 2x = 152; x = 36 b. x + x + 7 + x = 152; x = 48 c. x + x + 7 + 5x = 152; x = 21 d. x + x + 7 + 3x = 152; x = 29

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?