Sheila wants to extract the hour from the time, 12:00:56, in cell A1.Which formula can she use to do this?

A) HOUR(A1)
B) =HOUR(A1)
C) =HOUR("12:00:56")
D) HOUR("12:00:56")

To extract the hour from a cell containing a time value, the HOUR function should be used. The correct syntax is =HOUR(A1), where A1 is the cell containing the time value. Therefore, the correct choice is B. Choice A is incorrect because it is missing the equal sign. Choice C is incorrect because it uses the HOUR function with a string value instead of a cell reference. Choice D is incorrect because it uses the HOUR function with a string value instead of a cell reference and is missing the equal sign.