Fred is playing tennis. For every 2 of his serves that land in 3 serves land out if he hit 30 serves in, how many serves landed out? OA 90
OB. 6
OC. 180
OD. 45
please help me

There is no question, there is just the answer.

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.