PLEASE ANSWER FAST I NEED HELP Thanks :) Albert wants to organize a party and decides to save money for it. He calculates that he needs at least $420 in 9 weeks. He already has $60. Which of the following is an inequality that Albert could use to find x, the amount of money he should save every week for his party?
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A. 9x=60 _420

C. 9x=60 _ 420
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D. 420+60_ 9x

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