Awheel made 442 revolutions at 126 2/3 revolutions per minute. how many minutes did it rotate?

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?

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

What is negative 3/9 times negative 2/8 ?