What is an arithmetic progressions??

a sequence of numbers in which each differs from the preceding one by a constant quantity (e.g. 1, 2, 3, 4, etc.; 9, 7, 5, 3, etc.).

a sequence of numbers in which each differs from the preceding one by a constant quantity (e.g. 1, 2, 3, 4, etc.; 9, 7, 5, 3, etc.).the relation between numbers in an arithmetic progression.

215.92 dollars is the answer

answer: what in the world is this

step-by-step explanation: