Tom is trapped on the top floor of a department store. It’s just before Christmas and he wants to get home with his presents. What can he do? He has tried

calling, even yelling, but there is no one around. Across the street he can see

some computer person still working away late into the night. How could he

attract her attention? Tom looks around to see what he could use. Then he has a

brilliant idea—he can use the Christmas tree lights to send her a message! He

finds all the lights and plugs them in so he can turn them on and off. He uses a

simple binary code, which he knows the woman across the street is sure to

understand. Can you work it out?

Carlos, an algebra teacher, is creating a series of powerpoint presentations to use during class lectures. after writing, formatting, and stylizing the first presentation, he would like to begin writing the next presentation. he plans to insert all-new content, but he wants to have the same formatting and style as in the first one. what would be the most efficient way for carlos to begin creating the new presentation? going under the file tab and opening the first presentation, deleting all content from each page, and adding new content going under the file tab and clicking on new in the left pane, then choosing new from existing going under the design tab and clicking on themes, then selecting the theme that was used for the first template going under the design tab and opening the template that was created for the first presentation