Please capitalize where necessary: one-room apartments for 2 people:
A: One-room apartments for 2 people:

Please capitalize where necessary: in addition to the free messaging, at&t is rolling out reduced international calling rates.
A: In addition to the free messaging, AT&T is rolling out reduced international calling rates.

Please capitalize where necessary: 92.04 accordions and similar instruments; mouth organs
A: 92.04 Accordions and similar instruments; mouth organs

Please capitalize where necessary: guide to deleting cookies on microsoft internet explorer
A:
Guide to deleting cookies on Microsoft Internet Explorer