Question

definition of AP ?...​

Answer 1

Answer:

The abbreviation AP stands for Advanced Placement — a series of subject examinations administered by The College Board in cooperation with high schools and colleges across the country. ... Those who score well on the AP exam can receive advanced standing, credit, or both from the college they plan to attend.

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Step-by-step explanation:

Answer 2

Answer:

In mathematics, an arithmetic progression or arithmetic sequence is a sequence of numbers such that the difference between the consecutive terms is constant. Difference here means the second minus the first. For instance, the sequence 5, 7, 9, 11, 13, 15.. . is an arithmetic progression with common difference of 2.