A small college offers 253 different classes. No two classes can meet at the same time in the same room, of course. There are 13 different time slots at which classes can occur. What is the minimum number of classrooms needed to accommodate all the classes

State the parts of a variable declaration?

What are ways to switch windows in excel? check all that apply. on the status bar, click the windows button, and then click the file name. on the task bar, click to display the excel jump list, and then click the file name. on the view tab, in the window group, click switch windows, and then click the file name. on the review tab, in the viewing group, click files, and then click the file name.

Select the correct answer. andy received a potentially infected email that was advertising products. andy is at risk of which type of security threat? a. spoofing b. sniffing c. spamming d. phishing e. typo-squatting