Select the two correct statements about rational numbers.
A rational number is a number that can be expressed as a non-terminating or non-repeating decimal.
A rational number is a number that can be written as the ratio of two integers.
A rational number is a number that can be written as a fraction with a non-zero denominator.
A rational number is a number that can be expressed as a simplified number with radicals.
Determine which of the following categories describes the number $0$0.
Determine which of the following categories describes the number $\frac{4}{5}$45.
Determine which of the following categories describes the number $-7$−7.