Hwy! there's a math question worth 20 points on my profile, answer it quick!

East black horse $0.25 total budget is $555 it'll cost $115 for other supplies about how many flyers do you think we can buy

If value of cos330° is √3/2 then find tan165°.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.