What is the algebraic expression of
1 less than the quotient of 7 and a number x

Little’s law firm has just one lawyer. customers arrive randomly at an average rate of 6 per 8 hour workday. service times have a mean of 50 minutes and a standard deviation of 20 minutes. how long does a customer spend at little’s law firm on average?

If angle 2=3x +1 and angle 3=2x +4what is angle 2

Mr. walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?