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 Frontal-one sinus per side, located within the bone of the forehead above the level of the eyes and nasal bridge (figures 1 and 3). 2  Sphenoid-one sinus per side, located behind the ethmoid sinuses; the sphenoid is not seen in a head-on view but is better appreciated looking at a side view (figure 3).