In an arithmetic sequence, the first term, a1, is equal to 3, and the fourth term, a4, is equal to 33. Which number represents the common difference of
the arithmetic sequence?

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? 0.62 0.78 0.84 0.96