Poe que en el ingles usan may i use the bathroom, estoy confundido con el may

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1

If y varies directly as x2 and y=6 when x=6, find the constant of variation.