Andrea baked h muffins. violet baked 8 fewer muffins then andrea. find the average number of muffins baked by both girl, in term of h answer. com

This is the concept of algebra, the average number of muffins baked by each girl will be given as follows;
Muffins baked by Andrea=h muffins
Muffins baked by Violet =h-8

Average=(Total sum of numbers)/(Number of items)
total sum=h+(h-8)=2h-8 
Number of items=2
thus;
average=(2h-8)/2=h-4
the answer in terms of h is (h-4)

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.