Someone help please.?

For the first question the answer is a, for the second c, for the third d, for the 4th b, for the 5th a

No solution : there is no number of boxes that she bought

Here for a good time of free question

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.