And event organizer is reserving rooms for two companywide events. for the quarterly meeting this month she reserved 2 conference rooms and 5 ballrooms which can seat a total of 238 attendees. for safety training next month she reserved 4 conference rooms and 5 ball rooms which can seat 286 attendees. how many attendees can each room accommodate?

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.