1. Nora receives a salary of $55,000 during the current year. She sells some land that she held as an investment at a loss of $15,000 and some stock at a gain of $10,000. Nora's adjusted gross income is:
a. $50,000
b. $52,000
c. $55,000
d. $62,000
e. $65,000

Neither is 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.