Suppose a reference variable of type double called mydouble has already been declared. there is also a double variable x that has been declared and initialized. create an object of type double with the initial value of x and assign it to the reference variable mydouble.

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command