To what twenty-first century need did social media respond? As the world became increasingly complicated and people became busier, people had less time to interact.

As the world became more intense and people became overwhelmed, people needed simple ways to communicate.

As the world became more expensive and people had less money, people had fewer ways to spend time together.

As the world became closer and more intimate, people had less of a desire to communicate face-to-face.

The total revenues for a company are $150,223 and the total expenses were 125,766. if you are calculating the net income, which of these spreadsheets would you use? insert a spreadsheet with $150,223 in cell b2 and 125, 766 in cell b3. enter a formula =b2-b3. the formula should be showing in the formula bar. insert a spreadsheet with $150,223 in cell b2 and 125, 766 in cell b3. enter a formula =b2+b3. the formula should be showing in the formula bar. insert a spreadsheet with $150,223 in cell b2 and 125, 766 in cell b3. enter a formula =b2/b3. the formula should be showing in the formula bar. insert a spreadsheet with $150,223 in cell b2 and 125, 766 in cell b3. enter a formula =b2*b3. the formula should be showing in the formula bar.

Digital information is stored using a series of ones and zeros. computers are digital machines because they can only read information as on or off –1 or 0. this method of computation is known as the system

What provides an array of buttons for quick access to commonly used commands and tools