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(a) An ambulance leaves the police station in Big City and travels 7 blocks north then 7 blocks east to pick up a patient. The ambulance then drives 7 blocks south and 7 blocks east to the hospital. How far (the total "distance") did the ambulance travel?

(b) An ambulance leaves the police station in Big City and travels 4 blocks north then 5 blocks east to pick up a patient. The ambulance then drives 5 blocks south and 5 blocks east to the hospital. How far is the police station from the hospital

(c) An ambulance leaves the police station in Big City and travels 6 blocks north then 6 blocks east to pick up a patient. The ambulance then drives 2 blocks south and 3 blocks east to the hospital. What direction (in terms of a compass reading "degrees from north") is the hospital from the police station?

(d) The patient is wheeled through the emergency room entrance 19 m east down a hall to an elevator, -9 m down an elevator, and 32 m south to an operation room. How far is the emergency room entrance from the operation room?

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