What tree results when you add the values 10, 20, 30, 40, 50, 60, 70, 80, 90, and 100 to each of the following initially empty trees? a. an avl tree b. a 2-3 tree c. a 2-4 tree d. a red-black tree

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

Match the items with their respective descriptions.

How do you know if the website is secure if you make a purchase