The area of this rectangle is 4x^2 what does coefficient 4 mean in terms of the problem

7x+8y=-18, 4x-9y=-3 solve the system of equations

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid

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?