4,840 square yards equal one of what unit of land area?

About 4,500 years old, which famous limestone monument in Egypt is missing its nose? In 1996, the scores of 45,000 students were raised on which college entrance test after a math question was found to be… About 453.59 grams equal what unit of weight? In 48 to 47 BC, which Roman general sided with Cleopatra in the Alexandrian War and put her back on the throne of Egypt? 489 years after her death, which woman was canonized by Pope Benedict XV on May 16, 1920? 491 people died when the Cocoanut Grove nightclub caught fire in 1942 in which New England capital? Which quarterback threw for 35,124 yards with the San Francisco 49ers from 1979 to 1992? In algebra, 4a is a monomial. What is 4a + 7?