Two cars are moving away from an intersection along roads that make a 90 degree angle. the first car is 100 feet from the intersection and is travelling at a rate of 30 ft/s. the second care is 150 feet away from the intersection and is travelling at a rate of 40ft/s. find the rate of change of the distance between the cars after one second.

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