Need help ASAP! The screen couldn’t fit, this is the clearest pic I can get! If anyone can help it will be greatly appreciated!

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?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Give me the equations of two lines that have the same slope but are not parallel.