Erin left her house to go to the grocery store at 4:30 p. m. the grocery store is 10 miles away she arrived at the store at 5 p. m. What was her average speed

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An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest

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