Plz help me brainlest and 17 pt

Examine the following sets of events. set a: {1, 5, 7, 9, 14} set b: {2, 5, 6, 8, 14, 17} which of the following represents the intersection of set a and set b ? {∅} {5, 14} {1, 2, 5, 6, 7, 8, 9, 14, 17} {1, 2, 6, 7, 8, 9, 17}

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

What ia the sum if the first 7 terms of the geometric series