Quick Answer. A unit rate in math is the expression of a rate in a quantity of one. For example, 60 miles per hour represents a commonly used unit rate. Similarly, 30 students per school bus also represents a unit rate. Unit rates actually are utilized by people frequently in every day life.
Migraines are moderate-to-severe, throbbing headaches on both sides or on one side of the head. They are usually situated around the forehead and temples or around the eyes. Migraines occur in women more often than menâusually in patients who have a family history of migraineâand begin between the ages of 10 and 25.
1 Headache: Migraine pain usually appears on one side of the head, but some migraines occur on both sides. 2  Throbbing pain may be present. 3  A majority of migraineurs feel nauseated, and some vomit. 4  Most become sensitive to light (photophobia) and sound (phonophobia). 5  This phase may last 4 to 72 hours.