Amanufacturer or seller of a product may identify its merchandise and bar others from using the same identification by getting a
a. franchise.
b. trademark.
c. patent.
d. copyright.

This question is referring to a trademark.

Idon’t know the answer to this

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.