Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 9: Probability; Lesson 6: Permutations


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Standardized Test Practice

  • Question 22 (request help)

    Short Response The five finalists in a random drawing are shown. Find the probability that Sean is awarded first prize and Teresa is awarded second prize.
  • Question 23 (request help)

    The schools listed below are finalists in a science competition. In how many ways can they finish in first, second, and third place?
    • 15
    • 20
    • 60
    • 120

Common Core Review

A card is pulled from a stack of 30 cards labeled 1–30. Find each probability. Write as a fraction in simplest form.

  • Question 27 (request help)

    A cross country athlete has a white, a red, and a gray sweatshirt. She has black and gray running pants. Use a tree diagram to show the possible combinations of training outfits.
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