Explain how can you find 3×584 using expanded form

What is the 12th term of b(n)=-4-2(n-1)

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73