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Home > CCA > Chapter 1 > Lesson 1.1.2 > Problem 1-20

1-20.

Evaluate the expressions below for the given values. Homework Help ✎

  • Substitute for the value given, and then simplify by using the Order of Operations.

    for

  1. for

    Use the same method as part (a).

  1. for

    Substitute the given value for , and simplify for the denominator before dividing.

  1. for and

    Use the same method as part (c). Remember to substitute the correct values for and !