Which set of numbers is correctly ordered from greatest to least

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

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.