To add another worksheet to an excel file, click on the
to the right of your last sheet.
a: circled plus sign
b: word add
c: word insert

Johnson enterprises uses a computer to handle its sales invoices. lately, business has been so good that it takes an extra 3 hours per night, plus every third saturday, to keep up with the volume of sales invoices. management is considering updating its computer with a faster model that would eliminate all of the overtime processing.

What are "open-loop" and "closed-loop" systems

Java the manager of a football stadium wants you to write a program that calculates the total ticket sales after each game