If you're preparing for the exam, I think the important question is: What steps did you take in trying to answer this question?
For this type of question, you should first attempt an answer based on what you already know. Your next stop should be the API documentation to research the methods listed as options. And finally, you should write test code to verify your understanding.
(Also, note that the Math class is included in the 1.4 exam, but not the 1.5 exam.)
"We're kind of on the level of crossword puzzle writers... And no one ever goes to them and gives them an award." ~Joe Strummer sscce.org