Find out the Laplace transformation of the unit step function

Need help with number 4, steps would be appriciated please and thank you! V2(s) and V3(s) are given need help finding the laplace transform of v2 and v3.

4.5-4. Find the z-transform of the following functions. The results of Problem 4.5-3 -0.6Ts (a) E(s) = = (c) E(s) = (e) E(s) - 68-0.3Ts (s + 1)(s + 2)(s + 3) s² + 25 + 28-1.17s s(s + 2)² s²e-0.3Ts + 2s + 3 s(s+ 2)²(s + 4) (b) E(s) = (d) E(s) (f) E(s) = = 48 s(s+ 2)² (s + 2)²-0.27s s²(s + 1)² -0.75Ts (2s + 7)e (s² + 2s + 5)(s + 3)