A customer bought 42 million minutes of phone time each min cost 2 cents what was total bill

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

Pleas its really urgent and i would really appreciate it! what is the value of x? enter your answer in the box. x =

Emily works as a painter. for each job, it takesher 30 minutes to prepare an interior wall ofa house before she paints and 2 minutes persquare yard to paint that will. the graph belowshows the total time it would take her to do a job,based on the total area of the wallhow long does it take her to do a job when she paints a wall with an area of 15 square yards?