Brittany and Stephanie went shopping together and spent $118 altogether. Stephanie spent $8 less than twice the amount as Brittany. How much did each girl spend

1195 was the store owner's profit.

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.