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.
4n−1.54 n minus 1 point 5
4(n−1.5)4 times open paren n minus 1 point 5 close paren
n+n+n+n−1.5−1.5−1.5−1.5n plus n plus n plus n minus 1 point 5 minus 1 point 5 minus 1 point 5 minus 1 point 5
1.5n−41 point 5 n minus 4
2(n−1.5)+2(n−1.5)