The perimeter of a rectangle is 24 cm. If the width (w) is 5 less than the length (C), what is a
system of equations that can be used to find the
dimensions of the rectangle?
A) 2€ + 2w = 24
w + l = 5
B) 2€ + 2w = 24
l=w-5
C) lw = 24
w = l - 5
D) 2€ + 2w = 24
w = l - 5

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.