Complete the following proofs. 1. Given: HI = 2x +6 U = 3x - 3 H] = 7x - 3 Prove: x= 3 Statements Reasons 1. HI = 2x +6, IJ = 3x - 3, HJ = 7x-3 1. Given 2. HI + J = HJ additive property 3. 2x + 6 + 3x = 3 = 7x - 3 4. 5x + 3 = 7x-3 4. 5. -2x + 3 = -3 6. 2x = -6 31 7. x = 3 URGENT!!

Given the box plot, will the mean or the median provide a better description of the center? box plot with min at 10.5, q1 at 11.5, median at 12.5, q3 at 13.5, max at 15

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.