Special right triangles find the missing side lengths leave your answers as radicals in simplest form

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

() at a farm, animals are fed bales of hay and buckets of gain. each bale of hay is in the shape of a rectangular prism. the base side lengths 2 feet and 3 feet, and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know

Add the fractions, and simply the result to lowest terms. 2/3 + 2/7= ?