Which statements are true? Check all that apply. Line XY contains ray OX and ray OY.
Line XY contains segment YX.
and are different segments.
Ray BA exists in the diagram.
Ray YX exists in the diagram.

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.