I have no idea what to even do. I've emailed my teacher and she hasn't answered me. I've also asked my parents and they don't know. :( I understand what it's asking me to do I just don't know how to do it.

Neither is the answer

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.