Arla made a spreadsheet in excel showing the projected costs for a concert she was putting on. what can marla enter into cell a11 to find out how much money is left in her budget and to make sure the cell is updated whenever she changes any of the other costs?

Alex’s family members live in different parts of the world. they would like to discuss the wedding plans of one of their distant relatives. however, alex wants all the family members to talk to each other simultaneously so that they can make decisions quickly. which mode of internet communication should they use? a. blog b. email c. wiki d. message board e. instant messaging