The length of a rectangle is 8 feet longer than its width. the area of the rectangle is 84 square feet. find its length and width.

Drag the files to the correct boxes to complete the pairs. match each percent amount to its correct value 15% of 30 30% of 45 60% of 7 23% of 20 2019 edmentum. all nghts reserved

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

Ihonestly have no clue if it's each or none.