Excel 2016 addresses linked workbooks using ________ addresses

Which of the following is not a way that you can create a ControlTemplate:

a) You can create a Page.Resources element in the XAML and edit the XAML directly. b) You can edit a copy of a control’s default Style, which contains the control’s default ControlTemplate. c) You can define a new ControlTemplate then edit its content. d) You can edit the Templates.Resources element in the XAML.

In C++, some of the following are legal identifiers. Which? Why?

a. 9xyz b. Xyz c. X+yz d. xy_z e. xyz!