√x √x x Nina (2 + 6 x 2 + 2 - 4) × 2 √x Marissa (404) (5-3) Each student wrote an expression on an index card. Which two students' expressions are equivalent? A Paolo and Peter B Paola and Marissa D C Nina and Marissa Paolo (6-4) × 49 + 7 + 10 Nina and Paolo Peter 7 + 10 x 5 + 10 2​