please derive questions no 7 and 8, show step by step

Derive and verify the Laplace transforms for the following Time-Domain Functions. Either handwritten or word form are accepted. f(t)1.(t)2.S(t)3.t(unitimpulse)(unitstep)(ramp)F(s)1s1s21 4. tn1 5. ebt 6. 1et/ 7. (n1)!tn1ebt(n>0) sn(n1)! 8. n(n1)!1tn1et/ s+b1 9. b1b21(eb2teb1t) s+11 (s+b)n1