Respuesta :

Answer:

B or Number 2.

The expression 25−−√−21−−√ can be rewritten as 5−21−−√. Since the exact value of 21−−√ cannot be found, the difference is irrational.

B or Number 2.

The product of two irrational numbers is ___ (Sometimes) an irrational number.

Step-by-step explanation:

The product of two irrational numbers i never an irrational number

Answer:

C is the answer for the first one and sometimes is the answer for the second one.