Select all of the expressions which correctly show how to convert 18 inches into yards.
18 in. ⨉ 1yd36in.
18 in. ⨉ 36 yd
18 in. ⨉ 36in.1yd
18 in. ⨉ 1yd12in.
18 in. ⨉ 1ft12in. ⨉ 1yd3ft