7. Person A is 4 km south of person B. She walks north at a speed of 3 km/h. Person B walks east at a speed of 2 km/h. If they both start at noon, determine the time in hours minutes and seconds when they will be closest together. 10 km 4 km A B

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Q: If [5 - -8 A = [611] 0 " then A- 1 =

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