Abby made a goal to run a half marathon with her sister. She ran 1,354 yards the first week. She ran 3,281 yards the second week. How many more yards did Abby run on the second week than the first week? please help

Ben and cam are scuba diving. ben is 15.815.8 meters below the surface of the water. cam is 4.24.2 meters above ben. what is cam's position relative to the surface of the water? choose 1 choose 1 (choice a) a 11.611.6 meters above the surface of the water (choice b) b 11.611.6 meters below the surface of the water (choice c) c 2020 meters above the surface of the water (choice d) d 20 meters below the surface of the water