Find the surface area of each rectangular prism given its length, width, and height. choose the correct answers.
l = 4 cm
w = 9 cm
h = 3 cm
sa = 150 cm2
l = 7 cm
w = 3 cm
h = 4 cm
sa = 132 cm2
l = 8 cm
w = 5 cm
h = 5 cm
sa = 190 cm2
l = 5 cm
w = 7 cm
h = 6 cm
sa = 214 cm2

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