Why are my Brainliests going down?

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?

One of your customers wants you to build a personal server that he can use in his home. one of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. you have decided to back up his data using raid. since this server is for personal use only, the customer wants to keep costs down. therefore, he would like to keep the number of drives to a minimum. which of the following raid systems would best meet the customer's specifications? a. raid 0 b. raid 1 c. raid 5 d. raid 10

Will this setup result in what kathy wants to print?