What is the value of the following expression? (12 - 4) * 3 / 2 + 9

a. 21
b. 15
c. -6
d. 2.18


a. 21

Computer Science & Information Technology

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Assume a class is to be derived from Jeopardy, e.g., JuniorJeopardy. The new class should inherit all data members. Which key word in the Jeopardy class would need to change to make this possible?

A. public to private B. protected to public C. private to public D. public to protected

Computer Science & Information Technology

Once a global variable is created, it exists until ____.

A. control is returned to the calling function B. the program in which it is declared is finished running C. control is returned to the called function D. the computer is turned off

Computer Science & Information Technology

Which of the following actions refreshes data connections in a linked Excel workbook?

A) Click Existing Connection in the Get External Data group of the Data tab. B) Click Refresh on the File tab. C) Click Refresh All in the Connections group of the Data tab. D) Right-click on the data table and select Refresh all.

Computer Science & Information Technology