When building the channel, the english and french each started drilling on opposite sides of the english channel. the two sections became one in 1990. the french used more advanced drilling machinery than the english. suppose the english could drill the channel in 6.2 years, and the french could drill in 5.8 years, how long would it have taken the two together?

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