Can someone answer. there is a picture. it is only one question. you so much!

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

Which of the following are accepted without proof in a logical system? check all that apply.

Formulate the indicated conclusion in nontechnical terms. be sure to address the original claim. the foundation chair for a hospital claims that the mean number of filled overnight beds is over 523, and she is therefore justified starting a funding campaign to add a wing to the hospital. assuming that a hypothesis test has been conducted and that the conclusion is failure to reject the null hypothesis, state the conclusion in nontechnical terms.