Gabrielle's mom is letting her pick out a new necklace to wear to the school dance next week. The price (p) of the necklace must be less than $12.75. Which inequality models the price of gabrielles necklace

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.