You want to frame a picture that is 5in by 7in with a 2.5 inch-wide frame. a. What is the perimeter of the pictures? What is the perimeter of the outside edge of the frame?
b. What is the area of the picture? What is the area of the frame?

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.

Ican't read this very blury