5. The term/s between any two non-consecutive terms of an arithmetic progression
A. arithmetic extreme/s
B. arithmetic series
C. arithmetic mean/s
D. geometric sequence
6. Find the sum of the first 13 terms of the arithmetic sequence -6, -1, 4, 9, ...
A. -468
B.-312
C. 468
D. 312
7. if a, 5 and a14 = 44 What is the value of S15?
A. 780
B.-780
C.-390
D. 390
8. The sum of the terms of a finite arithmetic sequence is 342. if the sum of the first and the last term is 38, how many terms are in the sequence? A. 18
B.9
C.8
D. none of the above
what is the sum of the first 100 positive integers
A. 5050
B. 4949
C. 10100
D. 10000