Complete the following tasks for this equation: b/7.8 = -2.15
A. Give an estimate for the solution. Be sure to explain how you arrived at the estimate, either by showing an equation or in words.

B. Solve the equation. Show or explain your work.

C. Compared to your estimate, is your answer reasonable? Explain your answer in complete sentences.

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