Whitney goes to the store to buy metal trim to go around the outside edge of two square picture frames.

Each side of the smaller frame is 16 inches long.
Each side of the larger frame is 3 times as long as each side of the smaller frame.
What is the total length, in inches, of the metal trim needed to go around the outside edges of the picture frames?
inches

Need to finish my juan wants to build a greenhouse in his back yard. he needs to maximize the ratio of floor area to structure volume in order to provide the most room for plants while minimizing the area to be heated. find the description of the structure that best meets juan’s criteria. a.) a hemisphere with a diameter of 12 feet b.) a cube with a side length of 12 feet c.) a cone with a diameter of 12 feet and a height of 10 feet d.) a square pyramid with a base side length of 12 feet and a height of 9 feet