Algebra/Functions/Answers

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Algebra
  1. a) 10
    b) 5
    c) 35
    d) -10
  2. a) 11
    b) 1
    c) 2.3
    d) -10
  3. a) 49
    b) 9/25
    c) 28.09
    d) 36
  4. a) 1
    b) -3/10
    c) 4/13
    d) -1/4