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a ladder rests against the top of a wall. The head of a person 3.5 feet tall just touches the ladder. The person is 3 feet from the wall and 7 feet from the foot of the ladder. What is the height of the wall?

  • math -

    1) The vocabulary is confusing

    2) You are stupid

    3) 3 + 3.5 + 7
    = 13.5

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