If one of the cells in a range of cells you use as an argument for an average function contains text instead of numbers, what will excel do?

When the pc version of the spreadsheet program became available, the ibm pc quickly became the top-selling personal computer?

Assume that you have an sorted array of records. assume that the length of the array (n) is known. give two different methods to search for a specific value in this array. you can use english or pseudo-code for your algorithm. what is the time complexity for each algorithm and why?

Which tab should you open to find the option for adding a header?