PLS HELP I RLY NEED IT If the sin 30º = 1/2
then which statement is true? (6 points)

a. cos 150° = 0, because the cosine and sine are supplements

b. cos 60° = 0, because the cosine and sine are complements

c. cos 150° = 1, because the cosine and sine are supplements

d. cos 60° = 1/2, because the cosine and sine are complements

Find the slope of the line passing through a pair of points

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

Barrett is comparing the membership fees for two museums.the art museum charges a one-time fee of $8.25 plus $2.25 per month. the science museum charges a one-time fee of $10.75 plus $3.50 per month. how much does barrett save by joining the art museum instead of the science museum?