Given the first term and common difference, find the first four terms and the formula 1) a = 11 + 9n, a
2) a = 65 - 35n, a

It says factor each expression 49x-28?

Find the arc length of the semicircle. 7the grade

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