The ratio of adults to students on the field trip is 3 to 5. if there are 15 students on the field trip, how many adults are there?

The domain of the following relation: r: {(3, 5), (8, 6), (2, 1), (8, 6)} is (1 point) no domain exists {1, 5, 6} {3, 8, 2, 8} {2, 3, 8}