Jason's age is 3 times shauna's present age. in 4 years' time, the sum of their ages will be 56 years. find their present ages.

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read

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