The sentence which uses quotation marks correctly is: "How are your classes?" asked Xavier. When using quotation marks with a question sentence, always include the question mark inside the quotation marks and a comma after the quoted sentence is no longer necessary.
I say 1 1/2 yards because you need to subtract 4 3/8 by 2 7/8. If you do subtract you would get 2 and -4/8 so you have you take away one from two which would be 1 4/8. Since 4+4 = 8 it would equal half so that the complete answer would be 1 1/2.
There was a booming knock at the door and a loud shout. " Open up! " From inside came the rattle of a lock, and then the door opened barely half an inch. A woman, dishevelled and clearly shaken, peered through hesitantly. " Can I help you? " Detective Stirland loomed large before her. He flipped his ID badge. " Where's Joe, Mandy? " " What's this about? " she stammered. Stirland applied his weight to the door and the woman stepped backwards as it swung open. " I'll ask the questions. We know he's here. " Her eyes flitted from his face to the lounge door and back. " Joe! " She folded her arms defiantly, reluctantly. " Joe, you'd better come out. The police are here. "