Last year the backgammon club had 30 members. this year the club has 24 members. find the percent of decrease in the number of members

D(5, 7). e(4,3), and f(8, 2) form the vertices of a triangle. what is mzdef? oa. 30° ob. 45° oc. 60° od 90°

If the value of cos330°is√3/2 then find cos 165°.

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date