Zareen has 24 minutes to work on her math homework, and each problem is taking her Two-thirds of a minute, on average, to complete. Which expression can be used to determine the number of math problems she will be able to complete in the time she has? 24 divided by two-thirds 24 times two-thirds Two-thirds divided by 24 Three-halves divided by 24

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.