On an airplane, there are two seats on the left side in each row and three seats on the right side. there are 90 seats on the right side of the plane. a. how many seats are on the left side of the plane? b. how many seats are there altogether?

If you answer right ill give brainliest, : )

Secant be and cf intersect at point d inside a what is the measure of cde

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?