If x + y = 90° and x and y are positive, then
sin x over
cos y 0=

5cakes cost 3.50 how much do 7 cakes cost

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

Twice the sum of a number and 2 is equal to three times the difference of the number and 8. find the number.