Round yellow scored tablet imprinted West-Ward 248 is 1 mg
folic acid.
More info:
http://folic.acid.drugs.com/
The oval white pill with the diamond is 20 mg
Bextra (valdecoxib), a drug that treats arthritis pain and inflammation.
More info:
http://www.Bextra.com/ and
http://bextra.drugs.com/
Oval blue scored tablet imprinted B (lowercase hexagonal B) on one side and 928|7 1/2 on the other side is 7.5 mg Trexall (methotrexate), a chemotherapy drug that is used to treat certain kinds of cancer and some other diseases.
More info:
http://trexall.drugs.com/
I'm not a pharmacist or a medical doctor. This message is not medical advice nor is it an offer to provide medical advice. All drug identifications should be validated by a licensed MD or pharmacist.