I have a fashion class so if your fashion is really bad or your really bad at art I could give you a class and the class time is really until I see your art improved or your fashion has changed into something good.(But dont worry it won't go on for like a year half the time its short like 1 month or 1 week) also enjoy the free p0ints! I only have insta so add me on insta if your free!

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.