What does the court conserning the the status of " free" blacks living in the united states

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

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

What is another way to express 36 +32