Which of the following is a good survey? a) you survey the football team to determine if the school should purchase a new weight bench for the recreation room. b)you survey every 10th student entering school to find out the amount of time it takes them to get to school. c)you survey every 10th person at the mall to determine the most popular hobbies of teenagers.

The product of two negative rational numbers is always zero sometimes zero never zero

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?

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2