A poll was taken in middle school to determine the amount of the time spend on homework. 46% of the students surveyed were in 7th grade and 54% were in 8th grade. the students were asked, "do you typically spend more that 1 hour on homework each night?" 60% of the 7th graders answered "yes", whereas 70% of the 80% graders answered "yes". Make a two-way table:

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