3. The side length of a square is represented by the expression n - 1.5. Which are equivalent expressions for the perimeter of the square. Choose all that apply a) n + 1 + 1 + n - 1,5 – 1,5 – 15 – 15 b)2(n-15) + 2(n-15) c) 4n - 15 d) 1.5n-4 e) 4(n-1.5)​