The document contains examples of arithmetic sequences and exercises to find specific terms of sequences given initial terms or formulas. The first exercise gives the sequence 9, 11, 13, 15, 17 and asks to write the formula for the nth term, find the 12th term, and identify which term is 47. The second exercise asks to find the 18th term of a sequence starting at 11 with a 7th term of 59. The third exercise asks how many points Aldub will score in his 15th game of a video game where he scores 20, 25, 30 points and increases by 5 each game.