Jason knows that AK←→⊥KB←→ , AK←→∥EF←→ , and AK←→∥CB←→ . Which other facts can Jason conclude are true? Select each correct answer. m∠JFB=90° KB←→∥DM←→− KB←→⊥CB←→ m∠EJM=90°    
 Select Parallel, Perpendicular, or Cannot Be Determined to classify each pair of lines.
 ParallelPerpendicularCannot Be Determined
 QR ←→  and  ST ←→  ST ←→  and  QS ←→  RT ←→  and  QR ←→ QS ←→  and  RT ←→