For quick healthy meals you can take with you:
A basic sandwich with high fiber bread and lean meat, a baggie of vegetables (baby carrots?), maybe some string cheese for snacks.
This is something you can put together with pretty much no thought and doesn't require utensils.
Always try to get some protein with your meals and snacks.
Quick and easy workouts to try that require no planning at all:
Blogilates lots of 10 minute or less workouts
BeFit channel free full exercise videos of all kinds, including short ones
All about weight lifting, including good form and full workout plans:
Stumptuous