Question

The side length of a square is represented by the expression n - 5

Which expressions are equivalent to the perimeter of the square?
Select the THREE choices that apply.

A. 4n - 5
B. n + n + n + n -5 -5 -5 -5
C. (n - 5) + (n - 5) + (n - 5) + (n - 5)
D. 4(n - 5)

Answer 1

C

Explanation:

The perimeter is the side length times 4, so it will be the equation for the side length 4 times.

Answer 2

B

C

D

Explanation:

all have 4 n's and 4 -5's