A91B84C69D78Answer: A. 91Read Explanation:Column 1: 6 × 8 - 8 = 48 - 8 = 40 Column 2: 21 × 25 - 25 = 525 - 25 = 500 Column 3: 14 × 7 - 7 = 98 - 7 = 91Open explanation in App