The is an invisible horizontal line that goes across the center of the turtle graphics window.

a.

the x axis

b.

the y axis

c.

the origin point

d.

the coordinate border

What can a word user do with the customize ribbon dialog box? check all that apply. minimize the ribbon add a new tab to the ribbon remove a group from a tab add a group to a tab choose which styles appear choose which fonts appear choose tools to appear in a group

Which task uses a simple parameter?

Consider the usual algorithm to convert an infix expression to a postfix expression. suppose that you have read 10 input characters during a conversion and that the stack now contains these symbols: (5 points) | | | + | | ( | bottom |_*_| now, suppose that you read and process the 11th symbol of the input. draw the stack for the case where the 11th symbol is