Show how you would synthesize each compound, starting with alkenes

Show how you would synthesize each compound, starting with alkenes or cycloalkenes that contain no more than six carbon atoms. You may use any additional reagents you need.
(a)
Show how you would synthesize each compound, starting with alkenes

(b)

Show how you would synthesize each compound, starting with alkenes

(c)

Show how you would synthesize each compound, starting with alkenes