Solve.

12a−12=−11

Enter your answer in the box.

a =

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false

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?