Aputt putt course offer a deal the when you purchase 10 rounds of golf you get 1 round for free if you played a total of 35 to rounds how many round did you purchase

The first one is correct

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.

Yep u would so yeah