Crawford has 18 feet of rope. He cuts off 6 feet and then cuts the remaining into 3 equal lengths.

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

Find the value of x that will make l ll m

Karen will divide her garden into equal parts. she will plant corn in 8/12 of the garden. what is the lowest number of parts she can divide her garden into?