Determine the lowest common denominator and solve the calculation 6/9 -2/3 show work

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

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

The difference between the measures of two complementary angles is 14. find the measure of both angles.