Classify the following differential equations by their order, degree and linearity, transcribing and filling in the following table.

1. y at dy + et - 1 = 0 3 2. In t d' y dy dt2 + ty at = 2et 3. 3 y + 2t dt3 dy +ety = 13 2 4 . y dy t dt3 = 6e 5. tydy - ety?dt = 0