7. cornerstone bakery sold 78 pies on monday, 96 pies on tuesday, 40 pies on wednesday, 104 pies on thursday, and 77 pies on friday. on average, how many pies did they sell per day? a. 58 b. 84 c. 79 d.44

In order to find the average, you have to find the total, and then divide by the amount of days, which in this case is 5. The total is 395/5 = 79. Therefore, the average number of pies sold each day is 79

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.

C