What is the solution to the equation StartFraction x Over 3 EndFraction + StartFraction x Over 6 EndFraction = seven-halves? x = Three-halves x = Seven-thirds x = 3 x = 7

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?

Can someone answer it, and plot it, for 20 points and brainliest answer? p.s. they're the same ! : )

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3