The ratio of fish to snails in an auqarium is 3 to 2. There is 18 fish in the aquarium. How many snails are in the auqrium?

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.

2+1=3 that’s your answer