Christopher was out at a restaurant for dinner when the bill came. To find the total plus tip he multiplied the cost of the meal by 1.22. what percent tip did he leave?

Urgent? will give brainliest to the first correct answer what is the area of the figure?

Classify the following number. −9.070707…

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