The length of each side of an equilateral triangle is represented by the expression s + 3. Which expression represents the perimeter of the triangle? A. 3s + 9
B. 3s+27
C. (s+3)+(s+3)(s+3 )
D. (5 + 3)(s + 3) (s + 3)

The correct answer is -20y

Delta airlines or untied

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.