Answer:
Part A) The statement is True
Part B) The statement is False
Part C) The statement is True
Part D) The statement is True
part E) The statement is False
Explanation:
Part A) we have

The statement Is True
Convert the repeating decimal 1.66.. to an equivalent fraction
Let

Convert to mixed number

therefore

Part B) we have

The statement is false
Because

so
substitute
-----> is not true
Part C) we have

The statement is True
Because

substitute
----> is true
Part D) we have

The statement is True
Because

substitute
----> is true
Part E) we have

The statement is false
Because
Convert mixed number to an improper fraction

Convert decimal number to an improper fraction

substitute
-----> is not true