Can the sides of a triangle have lengths 2, 5, and 9?

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Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.

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?