Rachel has 79 books in her collection. The average size of each book is shown below. She wants to buy shelves for her book collection. Each shelf is 34.5 inches wide and costs $12.95. How much will it cost Rachel to shelve her book collection? Explain how you found your answer.

She’s has 59 assignments to contaminate

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.