Need Help with GRE questions:

8. If 6 y, which of the following could be equal to ? (A) O (B)14. If 2(x - 1)' + 3 - 19, then the value of x must be (A) greater than or equal to 3 (B) less than or equal to 3 (C) greater than or equal to -3 (D) less than or equal to -3 (E) less than -3 or greater than 3 15. If 3P 75, what is the value of the integer P? (A) 15 (B) 16 (C) 24 (D) 25 (E) 2616. A bicycle wheel has spokes that go from a center point in the hub to equally spaced points on the rim of the wheel. Ifthere are fewer than six spokes, what is the smallest possible angle between any two spokes? (A) 18 degrees (B) 30 degrees (C) 40 degrees (D) 60 degrees (E) 72 degrees 17. |-x| _ 6 xy2 5 and x 4. Quantity A Quantity B X 2 25. |x| 0 Quantity A Quantity B x ty xy 26. x and y are positive numbers such that x + y + z ly| and x + y > o Quantity A Quantity B y X29. If x + y + z = 0 and z = 8, which of the following must be true? (A) x 0 (E) xty p| + k Quantity A Quantity B P k 31. Quantity A Quantity B y Z32. b #0 a b atb 33. If b d, which of the following statements must be true? Indicate all such statements. 0 b ad xyl Quantity A Quantity B ( x+ y ) 2 (x - 1)238. If x2- 6 = x, which of the following could be the value of x? (A) -2 (B) O (C) (D) N (E) 539. -1 > > z Quantity A Quantity B xty by| +z\f45. a- b> atb+c Quantity A Quantity B 2b + c b + c 46. |x + yl = 10 x>0 Z Y+Z (B) Y and Z are positive (C) 1> X( Y + Z) (D) 1 Z-Y (E) X 53. If m + n - 2p

-m (C) 3m > 3p + 2n (D) p>2 (E) n

-3 U 3 (C) V - V (D) u + 3 v >0 (E) u