Mason rode 15 miles per hour on his bycycle plz hurry I’m timed I I’ll give BRAINLEST

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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.

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.