Answer:
rational, irrational is like pi or \sqrt{-7}
Step-by-step explanation:
Rationalizing expressions with one radical in the denominator is easy. For example, with a square root, you just need to get rid of the square root. Normally, the best way to do that in an equation is to square both sides. Let me know if this helps.!
See the attached picture for the work.
The answer is 8.7