For the remaining questions indicate the preferred position (axial or equatorial) of the bromo substituent. 30. trans-1-bromo-4-tert-butylcyclohexane 31. cis-1-bromo-3-tert-butylcyclohexane 32. trans-1-bromo-3-tert-butylcyclohexane 33. cis-1-bromo-2-tert-butylcyclohexane 34. trans-1-bromo-2-tert-butylcyclohexane 35. 1-bromo-1-tert-butylcyclohexane