Can some plz tell me what y is ASAP

Find the area of the regular hexagon if a side is 20 cm.

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?

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?