I need the answer please

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2

Write a similarity statement for the similar triangles. afgh ~ a

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}