What is the answer? Look at the file attached

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

Astore has 20% off sale of pants. whith this discount , the pricw of one pair of pants before tax is $15.20. what was the original price of the pants?

Skie rented a boat for $16.50 per hour. her total rental fee was $49.50. for how many hours did skie rent the boat