What is the quickest, most efficient way to learn Excel on my own?

Explanation:

What is Excel? Microsoft Excel® is a program to perform all kinds of calculations. You find it as an elementary part of the Office Suite incorporated in the Microsoft Office package. Excel has its most recognized field of action in companies for the ease of working in finance, organizing data, etc. But I assure you that in your daily life you can also use Excel to organize your data, budgets, schedules, etc. Even if you have a very basic knowledge of this tool, you can take advantage of it in your day-to-day life. What can you do with Excel in your daily life? Who says that a family, or yourself, cannot carry their data as a company? Excel is a good option to take into account in your day-to-day life, and you can use it in various ways, for example, to: Control household expenses on a daily, monthly, yearly basis. Identify the types of expenses and estimate those you spend on electricity, telephone, food, travel, etc. Keep track of your bank account. Analyze mortgages, loans, credit cards. Control your retirement savings. Enter all the bills to pay, to have forecasts. Create a budget of expenses and income estimated in the month, year and control their deviations. Have a contact list with their names, phone numbers, addresses, birthdays ,. Make a list of emergency phone numbers to keep on the fridge. Manage your collections of books, music, movies. Write down what to buy at the supermarket. Watch what you have in the cupboard, even if you dare, control expiration dates. Keep track of a diet Record your weight according to a diet. Have a schedule of family activities. Shifts cleaning the house, washing dishes ... etc ... Examine your children's school grades Organize an event such as a wedding, guest lists, list of table locations, party activity schedules, chosen music list, gift lists etc. What comes to mind… As you can see on a day-to-day basis, Excel also helps you. In addition, it will allow you to analyze all the information that you incorporate with different types of filters and calculations. You will even have at your disposal recommended graphics according to the information you enter.

You can go over the options and see what they do as well as find both text and video tutorials on the internet. Some of it is quite logical and some take a bit of math. Formulas most people use are fairly simple once you get into it.

Don't give up.

answer; i believe the correct answer is (a) all trenches must have access/egress;