Some medical explanations for muscle aches and pains include: 1  Fibromyalgia. 2  Statin Drugs. 3  Flu symptoms. 4  Hormonal changes. 5  Lyme disease.
AP classes mean Advanced Placement classes, which are more difficult than regular classes, but also count for more. If you take them in high school, you have the option to take the AP test, which, if you do well, will allow you to exempt part of your college course for that subject AP is short for Advanced Placement. The classes you take in your junior and senior years of high school pave the trail to youâ¦. 2  The Advanced Placement Curriculum Scores Higher Advanced Placement (AP) classes are designed to present a rigorous curriculum to the school's most academically advanced students.
AP English Language and Composition. Not to be confused with AP English Literature and Composition. Advanced Placement English Language and Composition (commonly abbreviated to AP Lang or AP Comp) is a course and examination offered by the College Board as part of the Advanced Placement Program. Contents.