a adult giraffe that is 18 ft tall casts a shadow that is 9ft tall. find the length of the shadow that is casts by a 4ft baby elephant

() 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

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5