The image shown has two triangles sharing a vertex: What is the measure of ∠WZX, and why?

A. y over 2, because Triangle UVW is congruent to triangle WXZ

B. y, because Triangle UVW is similar to triangle ZXW

C. y + 50 degrees, because Triangle UVW is similar to triangle ZXW

D.130 degrees − y, because Triangle UVW is congruent to triangle WXZ

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.