Respuesta :

9514 1404 393

Answer:

  -√81, (√7)/(√7), 4.16666...

Step-by-step explanation:

The irrational values in the first three choices are ...

  • π
  • √28
  • √50

The values in the last choice, expressed as integers or fractions are ...

  -9, 1, 25/6

The last list is all rational numbers.

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