Need help give me info about Universe of Obligation

The perimeter of a picture frame is 24 inches. if the width of the picture frame is 5 inches, what is the length of the picture frame?

The correct word to complete the sentence

What statement best describes the central conflict in this passage from the diary of anne frank? because the franks are jewish and the van daans are not, the franks and the van daans do not get along. because they are jewish, the franks, the van daans, and mr. dussel are in hiding to avoid being discovered by the nazi party. anne does not discuss anything with her mother because she believes that her mother does not understand her. mr. and mrs. van daan argue because mrs. van daan does not think that mr. van daan has the right to sell her fur coat.