Are all of these correct with the apostrophe placement?
- one day's rest
- two days' rest
- one week's vacation
- two weeks' vacation
- one day's vacation
- two days' vacation
- two days' personal time
- six weeks' vacation
- one year's salary
- two years' salary
- two months' worth
- seven nights' accommodations
- three months pregnant (no apostrophe)
- three months' pregnancy
- five cents' worth
- a penny's worth
- two pennies' worth
- one dollar's worth
- two dollars' worth
- twenty bucks' worth
- a few bucks' worth
- a buck's worth
- three days' backpay
Thanks.