Which of the following numbers is not between -2.6 and 1.3 on the number line?
-1.8
0.5
1.4
-2.1

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

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