Write chemical equations, showing all necessary reagents, for the preparation of 2-butanol by each of the following

Question:

Write chemical equations, showing all necessary reagents, for the preparation of 2-butanol by each of the following methods:
(a) Hydroboration-oxidation of an alkene
(b) Use of a Grignard reagent
(c) Use of a Grignard reagent different from that used in part (b)
(d-f) Three different methods for reducing a ketone