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425. The distance between points P and Q in the (x, y) coordinate plane is half the distance between (−4, 2) and (−8, 1). What is the distance between points P and Q ? (A) (B) (C) (D) (E) 426. What is the slope of the line in the following figure? (A) −3 (B) −2 (C) (D) (E) 2