The first number on a pair of men's pants is the waist size. For example, if a pant is labelled size 36x32 then the waist size is 36. The waist size is a best guess about the natural waist measurement that the pants are designed for. So, a pant with waist size 36 is designed for men with a 36” natural waist.
Most pasta won't come with a hard-and-fast expiration date, but you can follow these general guidelines: Dry pasta: Dry pasta won't ever really expire, but it will lose quality over time. Unopened dry pasta is good in the pantry for two years from the time of purchase, while opened dry pasta is good for about one year.
You can use pie crust mix after the sell by date. But as long as it has been stored properly your pie crust is safe to use. There is a chance that the flavor will degrade over time, but you can still use your pie crust mix.