Alicia randomly selects one of the number from the list of the numbers below.
20 , 25 , 30 , -35 , 40
What is the probability that she selects a positive number?

Siri can type 90 words in 40 minutes about how many words would you expect her to type in 10 minutes at this rate

Astudent showed the steps below while solving the inequality |x-4|< 1 by graphing.

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