mike sold 3 small boxes of tangerines and 7large boxes of tangerines for a total of $97. Pranay sold 12 small boxes of tangerines and 5 large boxes of tangerines for a total of $158. Find the cost each of small box of tangerines and one large box of tangerines.

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.