Can you help me please?

Repeating decimals

Fractions

Terminating decimals.

Step-by-step explanation:

A rational number is a number that can be expressed as , where 'p' and 'q' are two integers and 'q' is not equal to 0.The set of rational number includes integers (...-1,0,1....), terminating decimals, and repeating decimals and fractions.

But imaginary numbers comes in the set of irrational number as it cannot be expressed as fractions.

Hence, the correct choices are :

Repeating decimals

Fractions

Terminating decimals.

Did u want to find the value of x?

21

step-by-step explanation:

21-4