The corporate team-building event will cost $9 if it has 3 attendees. How many attendees can there be, at most, if the budget for the corporate team-building event is $18? Solve using unit rates.

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.