Thomas built a sand castle that measured 15 feet by 10
feet, and dug a moat around it.
Afterward, he decided to change the castle size, making it 9
feet by 22 feet.
How much longer will the new moat be than the old one?

Robert was not waiting for her in the little parlor. he was nowhere at hand. the house was empty. but he had scrawled on a piece of paper that lay in the lamplight: "i love you. good-by—because i love you." what significant idea, presented throughout the novel, does robert's final departure and note highlight? edna is ultimately alone in her rebirth. edna needs to find solace in her children. edna will never be truly loved by anyone. edna should not have forsaken her family.