A9/14
b 1 7/8
c 3 1/8
d 7 7/8
e 6 7/8

You need to collect b(3  1/8)

The unit price is 0.99

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.