Last year, Emma's scout troop sold 504 boxes of cookies. This year, her troop set a goal to sell more boxes than last year. Let b represent the number of boxes Emma's troop plans to sell this year. Which inequality models the story?

Graph the inequality that models the story.

If you make it a little more clear i can answer it

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.